Não informado. (1884). Bulletin of the California Agricultural Experiment Station. California Agricultural Experiment Station.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the California Agricultural Experiment Station. Berkeley, Calif: California Agricultural Experiment Station, 1884.
MLA-referens (8:e uppl.)Não informado. Bulletin of the California Agricultural Experiment Station. California Agricultural Experiment Station, 1884.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.