Ewing, G. W. (1985). Instrumental methods of chemical analysis (5th ed.). Mc Graw-Hill.
Dyfyniad Arddull ChicagoEwing, Galen W. Instrumental Methods of Chemical Analysis. 5th ed. New York: Mc Graw-Hill, 1985.
Dyfyniad MLAEwing, Galen W. Instrumental Methods of Chemical Analysis. 5th ed. Mc Graw-Hill, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.