APA-referens

Clarence H Eckles. (2012). Dairy cattle and milk production (5th.). New York.

Chicago-stil citat

Clarence H Eckles. Dairy Cattle and Milk Production. 5th. New York, 2012.

MLA-referens

Clarence H Eckles. Dairy Cattle and Milk Production. 5th. New York, 2012.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.