diff --git a/conntrackt/utils.py b/conntrackt/utils.py
--- a/conntrackt/utils.py
+++ b/conntrackt/utils.py
@@ -29,10 +29,12 @@ import pydot
 
 # Django imports.
 from django.template import Context, loader
+from django.utils.html import format_html
+from django.utils.text import capfirst
 
 # Application imports.
 import iptables
-from .models import Communication
+import models
 
 
 def generate_entity_iptables(entity):
@@ -187,7 +189,7 @@ def generate_project_diagram(project):
         graph.add_subgraph(cluster)
 
     # Get all project communications.
-    communications = Communication.objects.filter(source__entity__project=project)
+    communications = models.Communication.objects.filter(source__entity__project=project)
 
     # Add the edges (lines) representing communications, drawing them with same
     # colour as the source node/entity.
@@ -201,3 +203,27 @@ def generate_project_diagram(project):
         graph.add_edge(edge)
 
     return graph
+
+
+def list_formatter_callback(obj):
+    """
+    Creates model object representation in format:
+
+    MODEL_NAME: OBJECT_REPRESENTATION
+
+    If passed object has a callable get_absolute_url method, the
+    instance representation will be surrouned by an HTML anchor
+    (<a></a>) where target is set to value of the get_absolute_url()
+    method call.
+
+    Arguments:
+      obj - Model object whose representation should be returned.
+
+    Returns:
+      String represenation of passed model object.
+    """
+
+    try:
+        return format_html('<strong>{0}</strong>: <a href="{1}">{2}</a>', capfirst(obj._meta.verbose_name), obj.get_absolute_url(), str(obj))
+    except AttributeError:
+        return format_html('<strong>{0}</strong>: {1}', capfirst(obj._meta.verbose_name), str(obj))