Sax, N. I. (1957). Dangerous properties of industrial materials (2d ed.). Reinhold Publishing.
Dyfyniad Arddull ChicagoSax, N. Irving. Dangerous Properties of Industrial Materials. 2d ed. New York: Reinhold Publishing, 1957.
Dyfyniad MLASax, N. Irving. Dangerous Properties of Industrial Materials. 2d ed. Reinhold Publishing, 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.