TRL Library Services. (1999). Road safety publicity campaigns update (1996-1998). TRL Library Services.
Chicago Style (17th ed.) CitationTRL Library Services. Road Safety Publicity Campaigns Update (1996-1998). Crowthorne, Berkshire: TRL Library Services, 1999.
MLA (9th ed.) CitationTRL Library Services. Road Safety Publicity Campaigns Update (1996-1998). TRL Library Services, 1999.
Warning: These citations may not always be 100% accurate.