Não informado. (1950). Biennial Report. Department of Fish and Game.
Chicago-referens (17:e uppl.)Não informado. Biennial Report. Sacramento, Calif: Department of Fish and Game, 1950.
MLA-referens (8:e uppl.)Não informado. Biennial Report. Department of Fish and Game, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.