Não informado. (1974). Commercial Fish Farmer and Aquaculture News. Catfish farmers of America.
Citace podle Chicago (17th ed.)Não informado. Commercial Fish Farmer and Aquaculture News. Little Rock, Ark: Catfish farmers of America, 1974.
Citace podle MLA (8th ed.)Não informado. Commercial Fish Farmer and Aquaculture News. Catfish farmers of America, 1974.
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