United States. Federal Highway Administration. Implementation Division. (1985). Traffic control systems handbook: Revised, April 1985. The Administration : U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Federal Highway Administration. Implementation Division. Traffic Control Systems Handbook: Revised, April 1985. Washington: The Administration : U.S. Govt. Print. Off, 1985.
MLA (9th ed.) CitationUnited States. Federal Highway Administration. Implementation Division. Traffic Control Systems Handbook: Revised, April 1985. The Administration : U.S. Govt. Print. Off, 1985.
Warning: These citations may not always be 100% accurate.