Dyfyniad APA
National Research Council (U.S.). Committee on Drinking Water Contaminants & ebrary, Inc. (2001). Classifying drinking water contaminants: For regulatory consideration. National Academy Press.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Committee on Drinking Water Contaminants and Inc ebrary. Classifying Drinking Water Contaminants: For Regulatory Consideration. Washington, D.C.: National Academy Press, 2001.
Dyfyniad MLA
National Research Council (U.S.). Committee on Drinking Water Contaminants and Inc ebrary. Classifying Drinking Water Contaminants: For Regulatory Consideration. National Academy Press, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.