Dyfyniad APA
ebrary, Inc. (1984). Emergency and continuous exposure limits for selected airborne contaminants. National Academies Press.
Dyfyniad Arddull Chicago
ebrary, Inc. Emergency and Continuous Exposure Limits for Selected Airborne Contaminants. Washington, DC: National Academies Press, 1984.
Dyfyniad MLA
ebrary, Inc. Emergency and Continuous Exposure Limits for Selected Airborne Contaminants. National Academies Press, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.