Dyfyniad APA

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.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Transportation Research Board and 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.

Dyfyniad MLA

National Research Council (U.S.). Transportation Research Board and 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.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.