Rujukan Graptemys versa

  1. ↑ database.reptarium.cz/species.php?genus=Graptemys&species=versa Graptemys versa[pautan putus], Reptile Database
  2. ↑ Fritz, Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World" (PDF). Vertebrate Zoology. 57 (2): 190. Diarkib daripada yang asal (PDF) pada 17 Disember 2010. Dicapai pada 29 Mei 2012. Parameter |deadurl= yang tidak diketahui diendahkan (bantuan)
  3. 1 2 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. ISBN 0-395-19979-4 (hardcover), ISBN 0-395-19977-8 (paperback). (Graptemys versa, p. 58 + Plate 8 + Map 21.)
  4. ↑ Smith, H.M., and E.D. Brodie, Jr. 1982. Reptiles of North America: A Guide to Field Identification. Golden Press. New York. 240 pp. ISBN 0-307-13666-3. (Graptemys versa, pp. 50-51.)

Rujukan

WikiPedia: Graptemys versa http://www.austinsturtlepage.com/Care/cs-texmap.ht... http://www.cnah.org/pdf_files/851.pdf http://www.irmng.org/aphia.php?p=taxdetails&id=103... http://www.iucn-tftsg.org/wp-content/uploads/file/... http://www.iucn-tftsg.org/wp-content/uploads/file/... http://www.texasturtles.org/Graptemys_versa.html http://reptile- https://www.itis.gov/servlet/SingleRpt/SingleRpt?s... https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwt... https://speciesplus.net/#/taxon_concepts/6509/lega...