Não informado. (2011). Memoirs Read Before the Boston Society of Natural History. Boston Society of Natural History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Memoirs Read Before the Boston Society of Natural History. Boston, Mass: Boston Society of Natural History, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Memoirs Read Before the Boston Society of Natural History. Boston Society of Natural History, 2011.
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