APA-referens (7:e uppl.)

United States. Federal Highway Administration. Implementation Division. (1985). Traffic control systems handbook: Revised, April 1985. The Administration : U.S. Govt. Print. Off.

Chicago-referens (17:e uppl.)

United States. Federal Highway Administration. Implementation Division. Traffic Control Systems Handbook: Revised, April 1985. Washington: The Administration : U.S. Govt. Print. Off, 1985.

MLA-referens (9:e uppl.)

United States. Federal Highway Administration. Implementation Division. Traffic Control Systems Handbook: Revised, April 1985. The Administration : U.S. Govt. Print. Off, 1985.