National Research Council (U.S.). Transportation Research Board. (1994). Freight transportation research. National Academy Press.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Transportation Research Board. Freight Transportation Research. Washington, D.C: National Academy Press, 1994.
MLA-referens (9:e uppl.)National Research Council (U.S.). Transportation Research Board. Freight Transportation Research. National Academy Press, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.