Não informado. (2018). Report on the Agricultural Experiment Station of the University of California. University of California.
Chicago-referens (17:e uppl.)Não informado. Report on the Agricultural Experiment Station of the University of California. Sacramento, Calif: University of California, 2018.
MLA-referens (8:e uppl.)Não informado. Report on the Agricultural Experiment Station of the University of California. University of California, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.