Boyle, L. (2014). Effectiveness of safety and public service announcement messages on dynamic message signs. U.S. Department of Transportation, Federal Highway Administration.
Chicago Style (17th ed.) CitationBoyle, Linda. Effectiveness of Safety and Public Service Announcement Messages on Dynamic Message Signs. Washington, DC: U.S. Department of Transportation, Federal Highway Administration, 2014.
MLA (9th ed.) CitationBoyle, Linda. Effectiveness of Safety and Public Service Announcement Messages on Dynamic Message Signs. U.S. Department of Transportation, Federal Highway Administration, 2014.
Warning: These citations may not always be 100% accurate.