The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• 1. IUCN Red List (April, 2004) http://www.redlist.org
• 2. Animal Diversity Web, University of Michigan Museum of Zoology (April, 2004) http://animaldiversity.ummz.umich.edu/site/accounts/information/Okapia_johnstoni.html
• 3. Lindsey, S. (2005) Pers. Comm.
• 4. Vevers, G. (1976) London's Zoo. The Bodley Head, London.
• 5. Anon, A. (2004) The Oxford English Dictionary. Oxford University Press, Oxford.
• 6. Hvass, H. (1961) Mammals of the World. Methuen & Co Ltd, London.
• 7. Science Daily (April, 2004) http://www.sciencedaily.com/releases/1997/09/970901072246.htm
• Bodmer, R.E., and G.B. Rabb. 1992. Okapia johnstoni. Mamm. Species, 422:1-8
• Dagg, A.I. 1960. Gaits of the Giraffe and Okapi. Journal of Mammalogy, 41(2):282
• Grzimek, B. 1990. Grzimek's Encyclopedia of Mammals. Vol. 5. McGraw-Hill Publishing Company, New York.
• Kingdon, J. 1979. East African Mammals an Atlas of Evolution in Africa. Vol. 3. Academic Press, London.
• Richard Weigl (2005) Longevity of Mammals in Captivity; from the Living Collections of the World. Kleine Senckenberg-Reihe 48: Stuttgart.
• Wilson, Don E., and DeeAnn M. Reeder, eds. 1993. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. xviii + 1207
• Wilson, Don E., and F. Russell Cole. 2000. Common Names of Mammals of the World. xiv + 204
• http://www.ultimateungulate.com/Artiodactyla/Okapia_johnstoni.html