Dyfyniad APA

National Research Council (U.S.). Committee on Passive Smoking. (1986). Environmental tobacco smoke: Measuring exposures and assessing health effects. National Academy Press.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Committee on Passive Smoking. Environmental Tobacco Smoke: Measuring Exposures and Assessing Health Effects. Washington, D.C.: National Academy Press, 1986.

Dyfyniad MLA

National Research Council (U.S.). Committee on Passive Smoking. Environmental Tobacco Smoke: Measuring Exposures and Assessing Health Effects. National Academy Press, 1986.

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