Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service publications and records.
Citace podle Chicago (17th ed.)Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service Publications and Records.
Citace podle MLA (8th ed.)Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service Publications and Records.
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