Não informado. (2001). Studies from the Department of Zoology. University of Nebraska.
Chicago-Zitierstil (17. Ausg.)Não informado. Studies from the Department of Zoology. Lincoln, Neb: University of Nebraska, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. Studies from the Department of Zoology. University of Nebraska, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.