Não informado. Livestock Meat Wool. U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
Citace podle Chicago (17th ed.)Não informado. Livestock Meat Wool. Washington: U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
Citace podle MLA (8th ed.)Não informado. Livestock Meat Wool. U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
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