C. Y.  Ye, Fei, L., and Hu, S. Q., Rare and Economic Amphibians of China. Chengdu: Sichuan Publishing House of Science and Technology, 1993.

L.  Fei, Hu, S., and Huang, Y., Fauna Sinica, Amphibia, vol. 1. Beijing: Science Press, 2006.

, ?IUCN Red List of Threatened Species. Version 2010.4.?, 2010.