National Research Council (U.S.). Transportation Research Board. Meeting. (1999). Roadside safety and other general design issues. National Academy Press.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Transportation Research Board. Meeting. Roadside Safety and Other General Design Issues. Washington, D.C: National Academy Press, 1999.
MLA-referens (9:e uppl.)National Research Council (U.S.). Transportation Research Board. Meeting. Roadside Safety and Other General Design Issues. National Academy Press, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.