Dyfyniad APA

Hickman, A. J., & Colwill, D. M. (1982). The estimation of air pollution concentrations from road traffic. Transport and Road Research Laboratory.

Dyfyniad Arddull Chicago

Hickman, A. J., and D. M. Colwill. The Estimation of Air Pollution Concentrations from Road Traffic. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1982.

Dyfyniad MLA

Hickman, A. J., and D. M. Colwill. The Estimation of Air Pollution Concentrations from Road Traffic. Transport and Road Research Laboratory, 1982.

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