Não informado. (1959). Georgia agricultural research. University of Georgia, College of Agriculture.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Georgia Agricultural Research. Athens, Ga: University of Georgia, College of Agriculture, 1959.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Georgia Agricultural Research. University of Georgia, College of Agriculture, 1959.
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