Bourdon, R. M. (2000). Understanding animal breeding (2nd. ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)Bourdon, Richard M. Understanding Animal Breeding. 2nd. ed. New Jersey: Prentice-Hall, 2000.
Cita MLA (8a ed.)Bourdon, Richard M. Understanding Animal Breeding. 2nd. ed. Prentice-Hall, 2000.
Precaución: Estas citas no son 100% exactas.