Fritz, Uwe; Havaš, Peter (2007). "Checklist of Chelonians of the World". Vertebrate Zoology. 57 (2). At the request of the CITES Nomenclature Committee and the German Agency for Nature Conservation and funded by the Museum für Tierkunde Dresden and the German Federal Ministry of Environment: 149–368. doi:10.3897/vz.57.e30895. ISSN1864-5755.
Fritz, Uwe; Havaš, Peter (2007). "Checklist of Chelonians of the World". Vertebrate Zoology. 57 (2). At the request of the CITES Nomenclature Committee and the German Agency for Nature Conservation and funded by the Museum für Tierkunde Dresden and the German Federal Ministry of Environment: 149–368. doi:10.3897/vz.57.e30895. ISSN1864-5755.