National research council Board of Agriculture. (1988). Nutrient requirements of swine (10.). National Academy press.
Dyfyniad Arddull ChicagoNational research council Board of Agriculture. Nutrient Requirements of Swine. 10. National Academy press, 1988.
Dyfyniad MLANational research council Board of Agriculture. Nutrient Requirements of Swine. 10. National Academy press, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.