Não informado. (1993). Journal of the Natural History Museum and Institute, Chiba. Natural History Museum.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Natural History Museum and Institute, Chiba. Chiba, Japão: Natural History Museum, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Natural History Museum and Institute, Chiba. Natural History Museum, 1993.
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