Não informado. (1881). Bulletin of the American Museum of Natural History. American Museum of Natural History.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the American Museum of Natural History. New York: American Museum of Natural History, 1881.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the American Museum of Natural History. American Museum of Natural History, 1881.
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