TRL Library Services. (1993). Recycling in road construction, 1991-1993. Library Services, Transport Research Laboratory.
Chicago Style (17th ed.) CitationTRL Library Services. Recycling in Road Construction, 1991-1993. Crowthorne, Berkshire: Library Services, Transport Research Laboratory, 1993.
MLA (9th ed.) CitationTRL Library Services. Recycling in Road Construction, 1991-1993. Library Services, Transport Research Laboratory, 1993.
Warning: These citations may not always be 100% accurate.