Não informado. (2001). Annual Report of the Denver Museum of Natural History. Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Não informado. Annual Report of the Denver Museum of Natural History. Denver, Colo: Museum of Natural History, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. Annual Report of the Denver Museum of Natural History. Museum of Natural History, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.