Não informado. (1978). Grain and Feed Journals. Food and Feed Grain Industries Publishing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Grain and Feed Journals. Chicago, Ill: Food and Feed Grain Industries Publishing, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Grain and Feed Journals. Food and Feed Grain Industries Publishing, 1978.
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