Não informado. (2018). Occasional Papers of the Natural History Society of Wisconsin. Natural History Society of Wisconsin.
Lua i Stíl Chicago (17ú heag.)Não informado. Occasional Papers of the Natural History Society of Wisconsin. Milwaukee, Wis: Natural History Society of Wisconsin, 2018.
Lua MLA (8ú heag.)Não informado. Occasional Papers of the Natural History Society of Wisconsin. Natural History Society of Wisconsin, 2018.
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