Nussbaum, R. A., Brodie, E. D., & Storm, R. M. (1983). Amphibians and reptiles of the Pacific northwest. University Press of Idaho.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNussbaum, Ronald A., Edmund D. Brodie, और Robert M. Storm. Amphibians and Reptiles of the Pacific Northwest. Moscow, Idaho: University Press of Idaho, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNussbaum, Ronald A., et al. Amphibians and Reptiles of the Pacific Northwest. University Press of Idaho, 1983.
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