Sayer, I. A., & Downing, A. (1981). Driver knowledge of road safety factors in three developing countries. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationSayer, I. A., and A. Downing. Driver Knowledge of Road Safety Factors in Three Developing Countries. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA (9th ed.) CitationSayer, I. A., and A. Downing. Driver Knowledge of Road Safety Factors in Three Developing Countries. Transport and Road Research Laboratory, 1981.
Warning: These citations may not always be 100% accurate.