Não informado. (1904). Circular of the Utah Agricultural Experiment Station. Utah Agricultural Experiment Station.
Chicago-referens (17:e uppl.)Não informado. Circular of the Utah Agricultural Experiment Station. Logan, Utah: Utah Agricultural Experiment Station, 1904.
MLA-referens (8:e uppl.)Não informado. Circular of the Utah Agricultural Experiment Station. Utah Agricultural Experiment Station, 1904.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.