Sawyer, R. A. (1951). Experimental spectroscopy (3rd ed.). Dover.
Dyfyniad Arddull ChicagoSawyer, Ralph A. Experimental Spectroscopy. 3rd ed. New York: Dover, 1951.
Dyfyniad MLASawyer, Ralph A. Experimental Spectroscopy. 3rd ed. Dover, 1951.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.