APA-referens (7:e uppl.)
National Research Council (U.S.). Transportation Research Board. Committee for the Study of Freight Capacity for the Next Century & ebrary, Inc. (2003). Freight capacity for the 21st century. Transportation Research Board.
Chicago-referens (17:e uppl.)
National Research Council (U.S.). Transportation Research Board. Committee for the Study of Freight Capacity for the Next Century och Inc ebrary. Freight Capacity for the 21st Century. Washington, DC: Transportation Research Board, 2003.
MLA-referens (9:e uppl.)
National Research Council (U.S.). Transportation Research Board. Committee for the Study of Freight Capacity for the Next Century och Inc ebrary. Freight Capacity for the 21st Century. Transportation Research Board, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.