Gaya APA

Legates, J., Warwik, E, J. (1990). Breeding And Improvement Of Farm Animal (Edisi 8). New York: Mc Graw-Hill Book Company.

Gaya MLA

Legates, J.E., Warwik, Everett, J. "Breeding And Improvement Of Farm Animal". Edisi 8 New York: Mc Graw-Hill Book Company, 1990. Teks.