TRL Library Services. (1999). Driver information systems update: (1996-1998). TRL Library Services.
Chicago Style (17th ed.) CitationTRL Library Services. Driver Information Systems Update: (1996-1998). Crowthorne, Berkshire: TRL Library Services, 1999.
MLA (9th ed.) CitationTRL Library Services. Driver Information Systems Update: (1996-1998). TRL Library Services, 1999.
Warning: These citations may not always be 100% accurate.