Não informado. (1968). Malacological Review. University of Michigan, Museum of Zoology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Malacological Review. Ann Arbor, Mich: University of Michigan, Museum of Zoology, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Malacological Review. University of Michigan, Museum of Zoology, 1968.
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