Não informado. Livestock Meat Wool. U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
Chicagoスタイル(17版)引用形式Não informado. Livestock Meat Wool. Washington: U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
MLA(8版)引用形式Não informado. Livestock Meat Wool. U.S. Department of Agriculture, Livestock, Poutry, Grain and Seed Division.
警告: この引用は必ずしも正確ではありません.