Drago, R. S. (1992). Physical methods for chemists (2nd ed.). Saunders college.
Dyfyniad Arddull ChicagoDrago, Russel S. Physical Methods for Chemists. 2nd ed. Ft. Worth: Saunders college, 1992.
Dyfyniad MLADrago, Russel S. Physical Methods for Chemists. 2nd ed. Saunders college, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.