Dyfyniad APA

Hathaway, G. J., & Proctor, N. H. (2004). Proctor and Hughes' chemical hazards of the workplace. Hoboken, N.J. : Wiley-Interscience.

Dyfyniad Arddull Chicago

Hathaway, Gloria J., and Nick H. Proctor. Proctor and Hughes' Chemical Hazards of the Workplace. Hoboken, N.J. : Wiley-Interscience, 2004.

Dyfyniad MLA

Hathaway, Gloria J., and Nick H. Proctor. Proctor and Hughes' Chemical Hazards of the Workplace. Hoboken, N.J. : Wiley-Interscience, 2004.

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