APA (7th ed.) Zitazioa

American Berkshire association. (1883). The swine breeder's manual. The American Berkshire association.

Chicago Style (17th ed.) Zitazioa

American Berkshire association. The Swine Breeder's Manual. Springfield, Ill.: The American Berkshire association, 1883.

MLA (9th ed.) Zitazioa

American Berkshire association. The Swine Breeder's Manual. The American Berkshire association, 1883.