National Research Council (U.S.). Transportation Research Board. Committee for the National Tire Efficiency Study. (2006). Tires and passenger vehicle fuel economy: Informing consumers, improving performance. Transportation Research Board.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Transportation Research Board. Committee for the National Tire Efficiency Study. Tires and Passenger Vehicle Fuel Economy: Informing Consumers, Improving Performance. Washington, DC: Transportation Research Board, 2006.
MLA-referens (9:e uppl.)National Research Council (U.S.). Transportation Research Board. Committee for the National Tire Efficiency Study. Tires and Passenger Vehicle Fuel Economy: Informing Consumers, Improving Performance. Transportation Research Board, 2006.