APA-referens (7:e uppl.)

National Research Council (U.S.). Transportation Research Board. (1996). Railroad safety and environmental research. National Academy Press.

Chicago-referens (17:e uppl.)

National Research Council (U.S.). Transportation Research Board. Railroad Safety and Environmental Research. Washington, D.C: National Academy Press, 1996.

MLA-referens (9:e uppl.)

National Research Council (U.S.). Transportation Research Board. Railroad Safety and Environmental Research. National Academy Press, 1996.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.