Gw mau tau Peliharaan dari Graptemys pseudogeographica kohnii. Jelasin dalam bahasa melayu

Conant, R. (1975). A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Houghton Mifflin. Boston. xviii + 429 pp. + 48 plates.  (hardback),  (paperback). (Graptemys kohni pp. 56–57 + Plates 5, 8 + Map 19.)

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 pseudogeographica kohni, pp. 50–51.)