Jeffery, D. J. (1981). The potential benefits of route guidance. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationJeffery, D. J. The Potential Benefits of Route Guidance. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA (9th ed.) CitationJeffery, D. J. The Potential Benefits of Route Guidance. Transport and Road Research Laboratory, 1981.
Warning: These citations may not always be 100% accurate.