APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

National Cooperative Highway Research Program, David S. Kriger, Suzette Shiu, en Sasha Naylor. Estimating Toll Road Demand and Revenue. Washington, D.C: Transportation Research Board, National Research Council, 2006.

MLA (9e ed.) Bronvermelding

National Cooperative Highway Research Program, et al. Estimating Toll Road Demand and Revenue. Transportation Research Board, National Research Council, 2006.