Barker, J. S. F. (1982). Future developments in the genetic improvement of animals.
Dyfyniad Arddull ChicagoBarker, J S F. Future Developments in the Genetic Improvement of Animals. Academic Press, New York, 1982.
Dyfyniad MLABarker, J S F. Future Developments in the Genetic Improvement of Animals. 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.