National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, & National Research Council (U.S.). Committee on Passenger and Freight Transportation Characteristics. (1972). Transit for the poor, the aged, and the disadvantaged: 8 reports prepared for the 51st Annual Meeting. Highway Research Board.
Cita Chicago (17th ed.)National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, i National Research Council (U.S.). Committee on Passenger and Freight Transportation Characteristics. Transit for the Poor, the Aged, and the Disadvantaged: 8 Reports Prepared for the 51st Annual Meeting. Washington: Highway Research Board, 1972.
Cita MLA (9th ed.)National Research Council (U.S.). Highway Research Board, et al. Transit for the Poor, the Aged, and the Disadvantaged: 8 Reports Prepared for the 51st Annual Meeting. Highway Research Board, 1972.