United States. National Highway Traffic Safety Administration. (2008). The effectiveness of seven publicized enforcement demonstration programs to reduce impaired driving: Georgia, Louisiana, Pennsylvania, Tennessee, Indiana, Michigan, and Texas. U.S. Department of Transportation, National Highway Traffic Safety Administration.
Chicago Style (17th ed.) CitationUnited States. National Highway Traffic Safety Administration. The Effectiveness of Seven Publicized Enforcement Demonstration Programs to Reduce Impaired Driving: Georgia, Louisiana, Pennsylvania, Tennessee, Indiana, Michigan, and Texas. Washington, DC: U.S. Department of Transportation, National Highway Traffic Safety Administration, 2008.
MLA (9th ed.) CitationUnited States. National Highway Traffic Safety Administration. The Effectiveness of Seven Publicized Enforcement Demonstration Programs to Reduce Impaired Driving: Georgia, Louisiana, Pennsylvania, Tennessee, Indiana, Michigan, and Texas. U.S. Department of Transportation, National Highway Traffic Safety Administration, 2008.