Fouchier, J., & Billet, F. (1970). Chemical dictionary of chemistry (3rd ed.). Netherlands university press.
Dyfyniad Arddull ChicagoFouchier, J., and F. Billet. Chemical Dictionary of Chemistry. 3rd ed. Nijmegen: Netherlands university press, 1970.
Dyfyniad MLAFouchier, J., and F. Billet. Chemical Dictionary of Chemistry. 3rd ed. Netherlands university press, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.