Não informado. (1968). Occasional Papers of the Western Foundation of Vertebrate Zoology. Western Foundation of Vertebrate Zoology.
Chicago-referens (17:e uppl.)Não informado. Occasional Papers of the Western Foundation of Vertebrate Zoology. Los Angeles, Calif: Western Foundation of Vertebrate Zoology, 1968.
MLA-referens (8:e uppl.)Não informado. Occasional Papers of the Western Foundation of Vertebrate Zoology. Western Foundation of Vertebrate Zoology, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.