Dyfyniad APA

Sax, N. I., & Lewis, R. J. (1989). Dangerous properties of industrial materials (7th ed.). Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Sax, N. Irving, and Richard J.,Sr Lewis. Dangerous Properties of Industrial Materials. 7th ed. New York: Van Nostrand Reinhold, 1989.

Dyfyniad MLA

Sax, N. Irving, and Richard J.,Sr Lewis. Dangerous Properties of Industrial Materials. 7th ed. Van Nostrand Reinhold, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.