Não informado. (2008). Journal of Swine Health and Production. American Association of Swine Veterinarians.
Chicagoスタイル(17版)引用形式Não informado. Journal of Swine Health and Production. Perry, Iowa: American Association of Swine Veterinarians, 2008.
MLA(8版)引用形式Não informado. Journal of Swine Health and Production. American Association of Swine Veterinarians, 2008.
警告: この引用は必ずしも正確ではありません.