Não informado. (1950). Bulletin of the California insect survey. University California Press.
Chicago-viite (17. p.)Não informado. Bulletin of the California Insect Survey. Berkeley, Calif: University California Press, 1950.
MLA-viite (8. p.)Não informado. Bulletin of the California Insect Survey. University California Press, 1950.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.