Blackburn, D. C., Bickford, D. P., Diesmos, A. C., Iskandar, D. T., & Brown, R. M. (2010). An Ancient Origin for the Enigmatic Flat-Headed Frogs (Bombinatoridae: Barbourula) from the Islands of Southeast Asia. Public Library of Science.

Blackburn, David C., David P. Bickford, Arvin C. Diesmos, Djoko T. Iskandar, and Rafe M. Brown. An Ancient Origin for the Enigmatic Flat-Headed Frogs (Bombinatoridae: Barbourula) From the Islands of Southeast Asia. Public Library of Science, 2010.

Blackburn, David C., et al. An Ancient Origin for the Enigmatic Flat-Headed Frogs (Bombinatoridae: Barbourula) From the Islands of Southeast Asia. Public Library of Science, 2010.