APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.