Andrews, D. H., & Kokes, R. J. (1971). Fundamental chemistry (2nd ed.). Wiley Eastern.
Dyfyniad Arddull ChicagoAndrews, Donald H., and Richard J. Kokes. Fundamental Chemistry. 2nd ed. New Delhi: Wiley Eastern, 1971.
Dyfyniad MLAAndrews, Donald H., and Richard J. Kokes. Fundamental Chemistry. 2nd ed. Wiley Eastern, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.