Não informado. (2001). Swine Health and Production. American Association of Swine Practitioners.
Chicagoスタイル(17版)引用形式Não informado. Swine Health and Production. Bloomington, Ind: American Association of Swine Practitioners, 2001.
MLA(8版)引用形式Não informado. Swine Health and Production. American Association of Swine Practitioners, 2001.
警告: この引用は必ずしも正確ではありません.