Não informado. (1965). Bulletin of the British Museum Natural History. British Museum.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the British Museum Natural History. London: British Museum, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the British Museum Natural History. British Museum, 1965.
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