Lange, N. A. (1952). Handbook of chemistry/10th ed (10th ed.). mcgraw hill.
Dyfyniad Arddull ChicagoLange, Norbert Adolph. Handbook of Chemistry/10th Ed. 10th ed. LOndon: mcgraw hill, 1952.
Dyfyniad MLALange, Norbert Adolph. Handbook of Chemistry/10th Ed. 10th ed. mcgraw hill, 1952.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.