Cita APA (7th ed.)

Waterfield, V. H., & Hickman, A. J. (1982). Estimating air pollution from road traffic: A graphical screening method. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Waterfield, Victoria H., i A. J. Hickman. Estimating Air Pollution from Road Traffic: A Graphical Screening Method. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1982.

Cita MLA (9th ed.)

Waterfield, Victoria H., i A. J. Hickman. Estimating Air Pollution from Road Traffic: A Graphical Screening Method. Transport and Road Research Laboratory, 1982.