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.
Čikaški stil citiranja (17. izdanje)National Cooperative Highway Research Program, David S. Kriger, Suzette Shiu, i Sasha Naylor. Estimating Toll Road Demand and Revenue. Washington, D.C: Transportation Research Board, National Research Council, 2006.
MLA način citiranja (9. izdanje)National Cooperative Highway Research Program, et al. Estimating Toll Road Demand and Revenue. Transportation Research Board, National Research Council, 2006.
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