Horowitz, A. J. (2006). Statewide travel forecasting models. Transportation Research Board.
Cita Chicago (17th ed.)Horowitz, Alan J. Statewide Travel Forecasting Models. Washington, D.C: Transportation Research Board, 2006.
Cita MLA (9th ed.)Horowitz, Alan J. Statewide Travel Forecasting Models. Transportation Research Board, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.