National Cooperative Highway Research Program, Kriger, D. S., Shiu, S., & Naylor, S. (2006). Estimating toll road demand and revenue. Transportation Research Board, National Research Council.
Citazione stile Chigago Style (17a edizione)National Cooperative Highway Research Program, David S. Kriger, Suzette Shiu, e Sasha Naylor. Estimating Toll Road Demand and Revenue. Washington, D.C: Transportation Research Board, National Research Council, 2006.
Citatione MLA (9a ed.)National Cooperative Highway Research Program, et al. Estimating Toll Road Demand and Revenue. Transportation Research Board, National Research Council, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.