Robert A Goyer, Goyer , R. A. ., & Mehlman , M. A.. (1977). Advances in modern toxicology: Toxicology of trace elemants. John wiley & sons.
Dyfyniad Arddull ChicagoRobert A Goyer, Robert A. Goyer , and Myron A. Mehlman. Advances in Modern Toxicology: Toxicology of Trace Elemants. New York: John wiley & sons, 1977.
Dyfyniad MLARobert A Goyer, et al. Advances in Modern Toxicology: Toxicology of Trace Elemants. John wiley & sons, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.