Bibliography
Duellman, W. E., and L. Trueb . 1983. Frogs of the Hyla columbiana group: taxonomy and phylogenetic relationships. In: Rhodin, A. G. J., and K. Miyata (Ed.), Advances in Herpetology and Evolutionary Biology. Essays in Honor of Ernest E. Williams. Museum of Comparative Zoology, Harvard University [Cambridge, Massachusetts], 33-51.
