Não informado. (1950). Biennial Report. Department of Fish and Game.
Chicago-viite (17. p.)Não informado. Biennial Report. Sacramento, Calif: Department of Fish and Game, 1950.
MLA-viite (8. p.)Não informado. Biennial Report. Department of Fish and Game, 1950.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.