Dickson, T. R. (2000). Introduction to chemistry. New York: John Wiley & Sons, Inc.
Dyfyniad Arddull ChicagoDickson, T. R. Introduction to Chemistry. New York: John Wiley & Sons, Inc, 2000.
Dyfyniad MLADickson, T. R. Introduction to Chemistry. New York: John Wiley & Sons, Inc, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.