Não informado. Livestock Meat Wool. U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
Chicago-viite (17. p.)Não informado. Livestock Meat Wool. Washington: U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
MLA-viite (8. p.)Não informado. Livestock Meat Wool. U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
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