Não informado. (1921). The Quarterly Bulletin of the State Plant Board of Mississippi. State Plant Board of Mississippi, Agricultural College.
Chicago-referens (17:e uppl.)Não informado. The Quarterly Bulletin of the State Plant Board of Mississippi. Mississippi, Miss: State Plant Board of Mississippi, Agricultural College, 1921.
MLA-referens (8:e uppl.)Não informado. The Quarterly Bulletin of the State Plant Board of Mississippi. State Plant Board of Mississippi, Agricultural College, 1921.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
