Letteratura:
Klingel, H. 1990. Camels. In Grzimek’s Encyclopedia of Mammals. Edited by S.P. Parker. New York: McGraw-Hill. Volume 5, pp. 85-96.
Nowak, R. M. [editor]. 1991. Walker’s Mammals of the World (Fifth Edition). Baltimore: The Johns Hopkins University Press.
Schaller, G.B. 1998. Wild Bactrian Camel. In Wildlife of the Tibetan Steppe. By George Schaller. Chicago: University of Chicago Press. pp. 151-162.
Wilson, D. E., and D. M. Reeder [editors]. 1993. Mammal Species of the World (Second Edition). Washington: Smithsonian Institution Press. |