Transportation Research Board. (1977). Energy effects, efficiencies, and prospects for various modes of transportation. Transportation Research Board.
Cita Chicago (17th ed.)Transportation Research Board. Energy Effects, Efficiencies, and Prospects for Various Modes of Transportation. Washington, D.C: Transportation Research Board, 1977.
Cita MLA (9th ed.)Transportation Research Board. Energy Effects, Efficiencies, and Prospects for Various Modes of Transportation. Transportation Research Board, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.