Gaya APA

James, W, , E., Edward, L, , J. (1976). Breeding and Improvement of Farm Animals (7th.). New York: McGraw-Hill.

Gaya MLA

James, Warwick, , Everett., Edward, Legates, , James. "Breeding and Improvement of Farm Animals". 7th. New York: McGraw-Hill, 1976. Text.