Holman. The Amphibians and Reptiles of Michigan. Wayne State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolman. The Amphibians and Reptiles of Michigan. Wayne State University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHolman. The Amphibians and Reptiles of Michigan. Wayne State University Press.
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