Não informado. (1881). Bulletin of the American Museum of Natural History. American Museum of Natural History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the American Museum of Natural History. New York: American Museum of Natural History, 1881.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the American Museum of Natural History. American Museum of Natural History, 1881.
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