Gaya APA

Victor, A, R., Frederick, N, A. (1957). Breeding and Improvement of Farm Animals (5th). United State of America: McGraw-Hill Book Company, Inc.

Gaya MLA

Victor, Arthur, Rice,., Frederick, Newcomb, Andrews,. "Breeding and Improvement of Farm Animals". 5th United State of America: McGraw-Hill Book Company, Inc, 1957. Text.