United States. Federal Highway Administration. (2009). Advanced Dilemma-Zone Detection system. U.S. Dept. of Transportation, Federal Highway Administration.
Chicago Style (17th ed.) CitationUnited States. Federal Highway Administration. Advanced Dilemma-Zone Detection System. [Washington, D.C.]: U.S. Dept. of Transportation, Federal Highway Administration, 2009.
MLA (9th ed.) CitationUnited States. Federal Highway Administration. Advanced Dilemma-Zone Detection System. U.S. Dept. of Transportation, Federal Highway Administration, 2009.
Warning: These citations may not always be 100% accurate.