KUHRE, W. L. (1994). Practical management of chemicals and hazardous wastes: An environmental and safety professional's guide. Prentice Hall PTR.
Dyfyniad Arddull ChicagoKUHRE, W. Lee. Practical Management of Chemicals and Hazardous Wastes: An Environmental and Safety Professional's Guide. New Jersey: Prentice Hall PTR, 1994.
Dyfyniad MLAKUHRE, W. Lee. Practical Management of Chemicals and Hazardous Wastes: An Environmental and Safety Professional's Guide. Prentice Hall PTR, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.