Board, N. R. C. T. R. (1987). Private sector involvement and toll road financing in the provision of highways. Washington, DC : Transportation Research Board.
Citazione stile Chigago Style (17a edizione)Board, National Research Council. Transportation Research. Private Sector Involvement and Toll Road Financing in the Provision of Highways. Washington, DC : Transportation Research Board, 1987.
Citatione MLA (9a ed.)Board, National Research Council. Transportation Research. Private Sector Involvement and Toll Road Financing in the Provision of Highways. Washington, DC : Transportation Research Board, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.