Não informado. (2018). Occasional Papers of the Natural History Society of Wisconsin. Natural History Society of Wisconsin.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Occasional Papers of the Natural History Society of Wisconsin. Milwaukee, Wis: Natural History Society of Wisconsin, 2018.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Occasional Papers of the Natural History Society of Wisconsin. Natural History Society of Wisconsin, 2018.
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