diff --git a/app/partials/issues-detail.jade b/app/partials/issues-detail.jade
index 91448c44..971daecf 100644
--- a/app/partials/issues-detail.jade
+++ b/app/partials/issues-detail.jade
@@ -23,6 +23,10 @@ block content
                           tg-nav="project-userstories-detail:project=project.slug, ref=us.ref")
                               span(tg-bo-ref="us.ref")
 
+                    p.external-reference(ng-if="issue.external_reference") This issue has been created from
+                        a(target="_blank", tg-bo-href="issue.external_reference[1]", title="Go to origin")
+                            span {{ issue.external_reference[1] }}
+
                     p.block-desc-container(ng-show="issue.is_blocked")
                         span.block-description-title Blocked
                         span.block-description(ng-bind="issue.blocked_note || 'This issue is blocked'")
diff --git a/app/partials/task-detail.jade b/app/partials/task-detail.jade
index f1bb79c6..c9d4e80e 100644
--- a/app/partials/task-detail.jade
+++ b/app/partials/task-detail.jade
@@ -21,12 +21,18 @@ block content
                     h2.us-title-text
                         span.us-number(tg-bo-ref="task.ref")
                         span.us-name(tg-editable-subject, ng-model="task", required-perm="modify_task")
+
                     h3.us-related-task This task belongs to
                         a(tg-check-permission="view_us", href="", title="Go to user story",
                         tg-nav="project-userstories-detail:project=project.slug, ref=us.ref",
                         ng-if="us")
                             span(tg-bo-ref="us.ref")
                             span(tg-bo-bind="us.subject")
+
+                    p.external-reference(ng-if="task.external_reference") This task has been created from
+                        a(target="_blank", tg-bo-href="task.external_reference[1]", title="Go to origin")
+                            span {{ task.external_reference[1] }}
+
                     p.block-desc-container(ng-show="task.is_blocked")
                         span.block-description-title Blocked
                         span.block-description(ng-bind="task.blocked_note || 'This task is blocked'")
diff --git a/app/partials/us-detail.jade b/app/partials/us-detail.jade
index 14f05a05..01586cb1 100644
--- a/app/partials/us-detail.jade
+++ b/app/partials/us-detail.jade
@@ -28,6 +28,10 @@ block content
                           tg-bo-title="'#' + us.origin_issue.ref + ' ' + us.origin_issue.subject")
                             span(tg-bo-ref="us.origin_issue.ref")
 
+                    p.external-reference(ng-if="us.external_reference") This US has been created from
+                        a(target="_blank", tg-bo-href="us.external_reference[1]", title="Go to origin")
+                            span {{ us.external_reference[1] }}
+
                     p.block-desc-container(ng-show="us.is_blocked")
                         span.block-description-title Blocked
                         span.block-description(ng-bind="us.blocked_note || 'This user story is blocked'")
diff --git a/app/styles/modules/common/external-reference.scss b/app/styles/modules/common/external-reference.scss
new file mode 100644
index 00000000..c69ed1b7
--- /dev/null
+++ b/app/styles/modules/common/external-reference.scss
@@ -0,0 +1,29 @@
+.blocked {
+    .external-reference {
+        color: $white;
+        a {
+            @include transition(color .3s linear);
+            color: $white;
+            &:hover {
+                color: $red-light;
+            }
+        }
+    }
+}
+
+.external-reference {
+    @extend %small;
+    color: $gray-light;
+    margin-top: .5rem;
+    a {
+        @include transition(color .3s linear);
+        border-left: 1px solid $gray-light;
+        padding: 0 .2rem;
+        &:hover {
+            color: $green-taiga;
+        }
+        &:first-child {
+            border: 0;
+        }
+    }
+}
diff --git a/main-sass.js b/main-sass.js
index 8571274b..af5a6cda 100644
--- a/main-sass.js
+++ b/main-sass.js
@@ -71,6 +71,7 @@ exports.files = function () {
         'modules/common/related-tasks',
         'modules/common/history',
         'modules/common/wizard',
+        'modules/common/external-reference',
 
         //Project modules
         'modules/home-projects-list',