Wright, A. H., & Wright, A. A. (1949). Handbook of Frogs and Toads of the United States and Canada. Comstock Publishing Assoc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWright, Albert Hazen, और Anna Allen Wright. Handbook of Frogs and Toads of the United States and Canada. Ithaca, New York: Comstock Publishing Assoc, 1949.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWright, Albert Hazen, और Anna Allen Wright. Handbook of Frogs and Toads of the United States and Canada. Comstock Publishing Assoc, 1949.
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