Não informado. (2001). Swine Health and Production. American Association of Swine Practitioners.
Citação do estilo Chicago (17ª ed.)Não informado. Swine Health and Production. Bloomington, Ind: American Association of Swine Practitioners, 2001.
Citação MLA (8ª ed.)Não informado. Swine Health and Production. American Association of Swine Practitioners, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.