Dumbleton, M. J. (1979). Speed/flow relationships in road tunnels. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationDumbleton, M. J. Speed/flow Relationships in Road Tunnels. Crowthorne, [Eng.]: Transport and Road Research Laboratory, 1979.
MLA (9th ed.) CitationDumbleton, M. J. Speed/flow Relationships in Road Tunnels. Transport and Road Research Laboratory, 1979.
Warning: These citations may not always be 100% accurate.