Camm, J. (1939). Workshop calculations, tables and formulae. Chemical Publishing.
Dyfyniad Arddull ChicagoCamm, J. Workshop Calculations, Tables and Formulae. New York: Chemical Publishing, 1939.
Dyfyniad MLACamm, J. Workshop Calculations, Tables and Formulae. Chemical Publishing, 1939.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.