Crowther, J. A. (1929). Ions, electrons, and ionizing radiations (5th ed.). Longmans, Green & co.; Chapman & Hall.
Dyfyniad Arddull ChicagoCrowther, James Arnold. Ions, Electrons, and Ionizing Radiations. 5th ed. New York, London: Longmans, Green & co.; Chapman & Hall, 1929.
Dyfyniad MLACrowther, James Arnold. Ions, Electrons, and Ionizing Radiations. 5th ed. Longmans, Green & co.; Chapman & Hall, 1929.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.