Wilbraham, A. C. (1993). Addison-Wesley chemistry (Teacher's ed.). Addison-Wesley.
Dyfyniad Arddull ChicagoWilbraham, Antony C. Addison-Wesley Chemistry. Teacher's ed. Menlo Park, Calif.: Addison-Wesley, 1993.
Dyfyniad MLAWilbraham, Antony C. Addison-Wesley Chemistry. Teacher's ed. Addison-Wesley, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.