diff --git a/tabellio/documents/document.py b/tabellio/documents/document.py
index 962ea65..e2c0269 100644
--- a/tabellio/documents/document.py
+++ b/tabellio/documents/document.py
@@ -82,3 +82,7 @@ class Document(Item, BasePublication):
         r = BasePublication.related_elements(self, max_items, closeness)
         doc_ids = [x.id for x in self.associated_docs]
         return [x for x in r if x.getId() not in doc_ids]
+
+    @property
+    def publication_date_str(self):
+        return self.publication_date.strftime('%d/%m/%Y')