Saya mau tau Rujukan dari Graptemys geographica. Jelaskan dalam bahasa melayu

Conant, R., and J.T. Collins. (1998). Reptiles and Amphibians of Eastern and Central North America. Third Edition. Expanded. New York: Houghton Mifflin. 640 pp.  (paperback). (Graptemys geographica, pp. 167–168 + Plates 3, 6.)

Harding, J. (1997). Amphibians and Reptiles of the Great Lakes Region. Michigan: The University of Michigan Press. 400 pp. .

MacCulloch, R.D. (2002). The ROM Field Guide to Amphibians and Reptiles of Ontario. ROM/McClelland & Stewart. 168 pp. A ROM Science Publication.

Le Sueur, C.A. (1817). An Account of an American species of Tortoise, not noticed in the systems. Journ. Acad. Nat. Sci. Philadelphia 1(1):86-88 + Plate V. (Testudo geographica)

Smith, H.M., and E.D. Brodie, Jr. (1982). Reptiles of North America: A Guide to Field Identification. Golden Press. New York. 240 pp.  (paperback). (Graptemys geographica, pp. 50–51.)