National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, & Fitzpatrick, K. (2003). Design speed, operating speed, and posted speed practices. Transportation Research Board, National Research Council.
Čikaški stil citiranja (17. izdanje)National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, i Kay Fitzpatrick. Design Speed, Operating Speed, and Posted Speed Practices. Washington, D.C: Transportation Research Board, National Research Council, 2003.
MLA način citiranja (9. izdanje)National Cooperative Highway Research Program, et al. Design Speed, Operating Speed, and Posted Speed Practices. Transportation Research Board, National Research Council, 2003.
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