Sillanpaa, M. (1982). Micronutrients. Food and Agriculture Organization.
Dyfyniad Arddull ChicagoSillanpaa, M. Micronutrients. U S A: Food and Agriculture Organization, 1982.
Dyfyniad MLASillanpaa, M. Micronutrients. Food and Agriculture Organization, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.