Inger, R. F. (1954). Philippine Zoological Expedition, 1946-1947: Systematics and zoogeography of Philippine amphibia. Chicago Natural History Musuem.
Chicago-referens (17:e uppl.)Inger, Robert F. Philippine Zoological Expedition, 1946-1947: Systematics and Zoogeography of Philippine Amphibia. [Chicago]: Chicago Natural History Musuem, 1954.
MLA-referens (9:e uppl.)Inger, Robert F. Philippine Zoological Expedition, 1946-1947: Systematics and Zoogeography of Philippine Amphibia. Chicago Natural History Musuem, 1954.
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