Dyfyniad APA

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.

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

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.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.