Não informado. (1921). The Quarterly Bulletin of the State Plant Board of Mississippi. State Plant Board of Mississippi, Agricultural College.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. The Quarterly Bulletin of the State Plant Board of Mississippi. Mississippi, Miss: State Plant Board of Mississippi, Agricultural College, 1921.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. The Quarterly Bulletin of the State Plant Board of Mississippi. State Plant Board of Mississippi, Agricultural College, 1921.
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