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Animal Diversity Web. 2008.
Cavendish, M. 1997. Encyclopedia of mammels. Marshal Cavendish Corporation, New York, New York, USA.
Gauthier-Pilters, Hilde. 1981. The camel, its evolution, ecology, behavior, and relationship to man. Universtiy of Chicago, Chicago, Illinois, USA.
Hoffman, Brent. 2004.
Nowak, R. 1999. Walker's mammels of the world 6th edition. John Hopkins University, Baltimore, Maryland, USA.
McGraw-Hill. 1990. Grzimeks encyclopedia: mammels Volume 5. McGraw-Hill Publishing, New York, New York, USA.
Savage. 1986. Mammal evolution: an illustrated guide. Facts on File Publications, New York, New York, USA.
Image Links:
http://animaldiversity.ummz.umich.edu/site/resources/mohamed_elhebeishy/Camelusdromedaries.jpg/view.html