TRL Library Services. (1997). Road surface noise update, 1994-1997. Library Services, Transport Research Laboratory.
Chicago Style (17th ed.) CitationTRL Library Services. Road Surface Noise Update, 1994-1997. Crowthorne, Berkshire: Library Services, Transport Research Laboratory, 1997.
MLA (9th ed.) CitationTRL Library Services. Road Surface Noise Update, 1994-1997. Library Services, Transport Research Laboratory, 1997.
Warning: These citations may not always be 100% accurate.