Ryan, M. New horned dinosarus named(SWF) (YouTube video). Cleveland: Cleveland Museum of Natural History. 2012 [30 Mar 2012]. (原始内容存档于2014-01-04) (英语).存档副本. [2012-04-01]. 原始内容存档于2014-01-04.
youtube.com
Ryan, M. New horned dinosarus named(SWF) (YouTube video). Cleveland: Cleveland Museum of Natural History. 2012 [30 Mar 2012]. (原始内容存档于2014-01-04) (英语).存档副本. [2012-04-01]. 原始内容存档于2014-01-04.