Darrel R. Frost - Amphibian Species of the World: an online reference - Version 6.0 - American Museum of Natural History, Anaxyrus. Gearchiveerd op 27 november 2016.
Darrel R. Frost - Amphibian Species of the World: an online reference - Version 6.0 - American Museum of Natural History, Anaxyrus. Gearchiveerd op 27 november 2016.