Praschag P, Hundsdörfer AK, Reza AHMA, Fritz U (2007). "Genetic evidence for wild-living Aspideretes nigricans and a molecular phylogeny of South Asian softshell turtles (Reptilia: Trionychidae: Aspideretes, Nilssonia)". Zool. Scripta36 (4): 301–310. doi:10.1111/j.1463-6409.2007.00282.x (HTML abstract)
iucn-tftsg.org
Turtle Taxonomy Working Group [van Dijk PP, Iverson JB, Rhodin AGJ, Shaffer HB, Bour R] (2014). "Turtles of the world, 7th edition: annotated checklist of taxonomy, synonymy, distribution with maps, and conservation status". In: Rhodin AGJ, Pritchard PCH, van Dijk PP, Saumure RA, Buhlmann KA, Iverson JB, Mittermeier RA (editors) (2014). "Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group". Chelonian Research Monographs5 (7): 000.329–479, doi:10.3854/ crm.5.000.checklist.v7.2014.