Dyfyniad APA

National Research Council (U.S.). Committee on Acute Exposure Guideline Levels & ebrary, Inc. (2011). Acute exposure guideline levels for selected airborne chemicals. National Academies Press.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Committee on Acute Exposure Guideline Levels and Inc ebrary. Acute Exposure Guideline Levels for Selected Airborne Chemicals. Washington, D.C.: National Academies Press, 2011.

Dyfyniad MLA

National Research Council (U.S.). Committee on Acute Exposure Guideline Levels and Inc ebrary. Acute Exposure Guideline Levels for Selected Airborne Chemicals. National Academies Press, 2011.

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