Não informado. (2004). Nature and Human Activities. Museum of Nature and Human Activities.
Chicago-referens (17:e uppl.)Não informado. Nature and Human Activities. Hyogo, Japão: Museum of Nature and Human Activities, 2004.
MLA-referens (8:e uppl.)Não informado. Nature and Human Activities. Museum of Nature and Human Activities, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.