diff --git a/lib/pixi/stylus.html b/lib/pixi/stylus.html
index 912c96b..6159505 100644
--- a/lib/pixi/stylus.html
+++ b/lib/pixi/stylus.html
@@ -143,7 +143,14 @@
         window.app = app
         app.setup()
         app.run()
-
-
     </script>
+    <h2>
+        References
+    </h2>
+    <ul>
+        <li><a href="https://mattdesl.svbtle.com/drawing-lines-is-hard">Drawing Lines is Hard</a></li>
+        <li><a href="http://perfectionkills.com/exploring-canvas-drawing-techniques/">Exploring Canvas Drawing
+                Techniques</a></li>
+        <li><a href="https://github.com/mattdesl/polyline-normals">Polyline Normals</a></li>
+    </ul>
 </body>
\ No newline at end of file