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 (February, 2005) http://www.redlist.org
• 2. Animal Diversity Website (October, 2003) http://animaldiversity.ummz.umich.edu/accounts/mandrillus/m._sphinx$narrative.html
• 3. Macdonald, D. (2001) The New Encyclopedia of Mammals. Oxford University Press, Oxford.
• 4. CITES (October, 2003) http://www.cites.org
• 5. Burnie, D. (2001) Animal. Dorling Kindersley Limited, London.
• 6. Collins, H. (2001) Field guide to African Wildlife. HarperCollins Publishers, London.
• Emanoil, M. (ed.). 1994. Encyclopedia of Endangered Species. Detroit: Gale Research, Inc.
• Grzimek's Animal Life Encyclopedia. 1972. New York: Van Nostrand Reinhold Company.
• Macdonald, David. 1987. Encyclopedia of Mammaks. Oxford: Equinox.
• Nowak, R. 1999. Walker's Mammals of the World, Sixth Edition. Baltimore and London: The Johns Hopkins University Press.
• Primate Info Net (Online source)
• 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