United States. Office of Highway Planning. (1984). Highway performance monitoring system: Field manual for the continuing analytical and statistical data base. U.S. Dept. of Transportation, Federal Highway Administration, Office of Highway Planning.
Chicago Style (17th ed.) CitationUnited States. Office of Highway Planning. Highway Performance Monitoring System: Field Manual for the Continuing Analytical and Statistical Data Base. [Washington, D.C.?]: U.S. Dept. of Transportation, Federal Highway Administration, Office of Highway Planning, 1984.
MLA (9th ed.) CitationUnited States. Office of Highway Planning. Highway Performance Monitoring System: Field Manual for the Continuing Analytical and Statistical Data Base. U.S. Dept. of Transportation, Federal Highway Administration, Office of Highway Planning, 1984.