Não informado. (1974). Commercial Fish Farmer and Aquaculture News. Catfish farmers of America.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Commercial Fish Farmer and Aquaculture News. Little Rock, Ark: Catfish farmers of America, 1974.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Commercial Fish Farmer and Aquaculture News. Catfish farmers of America, 1974.
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