Bourdon, R. M. (1997). Understanding animals breeding (1st edition.). Prentice-Hall.
Cita Chicago Style (17a ed.)Bourdon, Richard M. Understanding Animals Breeding. 1st edition. New Jersey: Prentice-Hall, 1997.
Cita MLA (8a ed.)Bourdon, Richard M. Understanding Animals Breeding. 1st edition. Prentice-Hall, 1997.
Precaución: Estas citas no son 100% exactas.