Hetzel, B. S. (1989). The story of iodine deficiency: An international challenge in nutrition. Oxford University Press.
Dyfyniad Arddull ChicagoHetzel, Basil S. The Story of Iodine Deficiency: An International Challenge in Nutrition. Oxford ; New York: Oxford University Press, 1989.
Dyfyniad MLAHetzel, Basil S. The Story of Iodine Deficiency: An International Challenge in Nutrition. Oxford University Press, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.