APA-referens (7:e uppl.)

National Research Council (U.S.). Highway Research Board. (1960). Effects of traffic control devices: Presented at the 38th annual meeting, January 5-9, 1959. National Academy of Science - National Research Council.

Chicago-referens (17:e uppl.)

National Research Council (U.S.). Highway Research Board. Effects of Traffic Control Devices: Presented at the 38th Annual Meeting, January 5-9, 1959. Washington, D.C: National Academy of Science - National Research Council, 1960.

MLA-referens (9:e uppl.)

National Research Council (U.S.). Highway Research Board. Effects of Traffic Control Devices: Presented at the 38th Annual Meeting, January 5-9, 1959. National Academy of Science - National Research Council, 1960.