Dorian, A. (1964). Elsevier's Dictionary of Industrial Chemistry in Six Languages, English , American, French, Spanish, Italian, Dutch. Elsevier.
Dyfyniad Arddull ChicagoDorian, A.F. Elsevier's Dictionary of Industrial Chemistry in Six Languages, English , American, French, Spanish, Italian, Dutch. London: Elsevier, 1964.
Dyfyniad MLADorian, A.F. Elsevier's Dictionary of Industrial Chemistry in Six Languages, English , American, French, Spanish, Italian, Dutch. Elsevier, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.