database: Amphibian Species of the World: an Online Reference; Frost, Darrel R. 2004. Amphibian Species of the World: an Online Reference. Version 3.0 (22 August, 2004). Electronic Database accessible at http://research.amnh.org/herpetology/amphibia/index.html. American Museum of Natural History, New York, USA
database: NODC Taxonomic Code;
database: Amphibian Species of the World: an Online Reference v5.3; Frost, Darrel R. 2009. Amphibian Species of the World: an Online Reference. Version 5.3 (12 February, 2009). Electronic Database accessible at http://research.amnh.org/herpetology/amphibia/ American Museum of Natural History, New York, USA
Frost, Darrel R. 1997-02-01. Amphibian Species of the World, A Taxonomic and Geographic Reference. Second edition. Electronic manuscript supplied by compiler. New York, New York, U.S.A.. . . .
