Warwick, E. J., & Legates, J. E. (1979). Breeding and improvement of farm animals (7a. ed.). Tata McGraw Hill.
Dyfyniad Arddull ChicagoWarwick, Everett James, and James Edward Legates. Breeding and Improvement of Farm Animals. 7a. ed. Nueva Delhi: Tata McGraw Hill, 1979.
Dyfyniad MLAWarwick, Everett James, and James Edward Legates. Breeding and Improvement of Farm Animals. 7a. ed. Tata McGraw Hill, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.