National Research Council (U.S.). Transportation Research Board & National Research Council (U.S.). Transportation Research Board. Meeting. (2003). Railroad research: Intercity passenger transportation, track design and maintenance, and hazardous materials transport. Transportation Research Board.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Transportation Research Board och National Research Council (U.S.). Transportation Research Board. Meeting. Railroad Research: Intercity Passenger Transportation, Track Design and Maintenance, and Hazardous Materials Transport. Washington, D.C: Transportation Research Board, 2003.
MLA-referens (9:e uppl.)National Research Council (U.S.). Transportation Research Board och National Research Council (U.S.). Transportation Research Board. Meeting. Railroad Research: Intercity Passenger Transportation, Track Design and Maintenance, and Hazardous Materials Transport. Transportation Research Board, 2003.