National Research Council (U.S.). Transportation Research Board. (1987). Private-sector involvement and toll road financing in the provision of highways. Transportation Research Board, National Research Council.
Cita Chicago (17th ed.)National Research Council (U.S.). Transportation Research Board. Private-sector Involvement and Toll Road Financing in the Provision of Highways. Washington, D.C: Transportation Research Board, National Research Council, 1987.
Cita MLA (9th ed.)National Research Council (U.S.). Transportation Research Board. Private-sector Involvement and Toll Road Financing in the Provision of Highways. Transportation Research Board, National Research Council, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.