Não informado. (1963). Nature and science. American Museum of Natural History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Nature and Science. New York: American Museum of Natural History, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Nature and Science. American Museum of Natural History, 1963.
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