National Research Council (U.S.). Highway Research Board. (1973). Price-subsidy issues in urban transportation: 6 reports ; prepared for the 52nd annual meeting. Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences--National Academy of Engineering.
Citazione stile Chigago Style (17a edizione)National Research Council (U.S.). Highway Research Board. Price-subsidy Issues in Urban Transportation: 6 Reports ; Prepared for the 52nd Annual Meeting. Washington, D.C: Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences--National Academy of Engineering, 1973.
Citatione MLA (9a ed.)National Research Council (U.S.). Highway Research Board. Price-subsidy Issues in Urban Transportation: 6 Reports ; Prepared for the 52nd Annual Meeting. Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences--National Academy of Engineering, 1973.