Inger, R. F. (1954). Systematic and zoogeography of Philippine amphibia. Chicago Natural History Museum.
Lua i Stíl Chicago (17ú heag.)Inger, Robert F. Systematic and Zoogeography of Philippine Amphibia. Chicago: Chicago Natural History Museum, 1954.
Lua MLA (9ú heag.)Inger, Robert F. Systematic and Zoogeography of Philippine Amphibia. Chicago Natural History Museum, 1954.
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