National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, & Small, K. A. (1999). Valuation of travel-time savings and predictability in congested conditions for highway user-cost estimation. National Academy Press.
Chicagoスタイル(17版)引用形式National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, , Kenneth A. Small. Valuation of Travel-time Savings and Predictability in Congested Conditions for Highway User-cost Estimation. Washington, D.C: National Academy Press, 1999.
MLA(9版)引用形式National Cooperative Highway Research Program, et al. Valuation of Travel-time Savings and Predictability in Congested Conditions for Highway User-cost Estimation. National Academy Press, 1999.