Não informado. (2018). Occasional Papers of the Natural History Society of Wisconsin. Natural History Society of Wisconsin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Occasional Papers of the Natural History Society of Wisconsin. Milwaukee, Wis: Natural History Society of Wisconsin, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Occasional Papers of the Natural History Society of Wisconsin. Natural History Society of Wisconsin, 2018.
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