Não informado. Note Book. University of Nebraska, Laboratory of Anthropology.
Chicago-referens (17:e uppl.)Não informado. Note Book. Lincoln, Neb: University of Nebraska, Laboratory of Anthropology.
MLA-referens (8:e uppl.)Não informado. Note Book. University of Nebraska, Laboratory of Anthropology.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.