Paul Hocking. (2009). Biology of breeding poultry: Poultry science symposium series. Vol 29. CABI.
Dyfyniad Arddull ChicagoPaul Hocking. Biology of Breeding Poultry: Poultry Science Symposium Series. Vol 29. CABI, 2009.
Dyfyniad MLAPaul Hocking. Biology of Breeding Poultry: Poultry Science Symposium Series. Vol 29. CABI, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.