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.
Chicago-viite (17. p.)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.
MLA-viite (9. p.)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.
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