Wright, A. H. and Wright, A. A. (1949). Handbook of Frogs and Toads of the United States and Canada. Comstock Publishing Company, Inc., Ithaca, New York.
Written by Vance Vredenburg (vancev AT socrates.berkeley.edu), UC Berkeley. 2000-01-18
Edited by Kellie Whittaker (2007-12-15)
Citation: AmphibiaWeb: Information on
amphibian biology and conservation. [web application]. 2008. Berkeley, California:
AmphibiaWeb.
Available: http://amphibiaweb.org/.
(Accessed: Aug 20, 2008).
AmphibiaWeb's policy on data use.