Não informado. (1921). The Quarterly Bulletin of the State Plant Board of Mississippi. State Plant Board of Mississippi, Agricultural College.
Lua i Stíl Chicago (17ú heag.)Não informado. The Quarterly Bulletin of the State Plant Board of Mississippi. Mississippi, Miss: State Plant Board of Mississippi, Agricultural College, 1921.
Lua MLA (8ú heag.)Não informado. The Quarterly Bulletin of the State Plant Board of Mississippi. State Plant Board of Mississippi, Agricultural College, 1921.
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