APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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