Frost, Darrel R. (2014). "Scythrophrys sawayae (Cochran, 1953)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 31 October 2014.
Frost, Darrel R. (2014). "Scythrophrys Lynch, 1971". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 31 October 2014.