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.
Chicago-Zitierstil (17. Ausg.)National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, und Kay Fitzpatrick. Design Speed, Operating Speed, and Posted Speed Practices. Washington, D.C: Transportation Research Board, National Research Council, 2003.
MLA-Zitierstil (9. Ausg.)National Cooperative Highway Research Program, et al. Design Speed, Operating Speed, and Posted Speed Practices. Transportation Research Board, National Research Council, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.