Não informado. (2008). Bulletin of Gunma Museum of Natural History. Gunma Museum of Natural History.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of Gunma Museum of Natural History. Tomioka, Japão: Gunma Museum of Natural History, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of Gunma Museum of Natural History. Gunma Museum of Natural History, 2008.
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