John B Owen. (1979). Complete Diets for Cattle and Sheep. Farming press Limited.
Dyfyniad Arddull ChicagoJohn B Owen. Complete Diets for Cattle and Sheep. Farming press Limited, 1979.
Dyfyniad MLAJohn B Owen. Complete Diets for Cattle and Sheep. Farming press Limited, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.