↑ Fritz Uwe (2007). "Checklist of Chelonians of the World". Vertebrate Zoology. 57 (2): 316. ISSN 18640-5755. Archived from the original (PDF) on 2010-12-17. สืบค้นเมื่อ 29 May 2012. Unknown parameter |coauthors= ignored (|author= suggested) (help)
↑ Ernst, C. H. and R. W. Barbour. (1989). Turtles of the world. Wahington, D.C., Smithsonian InstitutionPress. 313 pp.
