E L Henson. (1992). FAO animal production and health paper N.99: In situ conservation of livestock and poultry. Rome: FAO.
Dyfyniad Arddull ChicagoE L Henson. FAO Animal Production and Health Paper N.99: In Situ Conservation of Livestock and Poultry. Rome: FAO, 1992.
Dyfyniad MLAE L Henson. FAO Animal Production and Health Paper N.99: In Situ Conservation of Livestock and Poultry. Rome: FAO, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.