| Ellis, C., 2018. Indonesian Rhinos: How Bowling for Rhinos is conserving the most critically endangered mammals on earth. Proceedings of the 45th National AAZK Conference, pp. 1-3
|
|
| Ellis, C., 1991. Captive breeding of endangered animals. Voice of Nature no. 93: 28-33, figs. 1-5
|
|
|