National Cooperative Highway Research Program. Summary of progress - National Cooperative Highway Research Program 2005. Highway Research Board, National Research Council.
Chicago-Zitierstil (17. Ausg.)National Cooperative Highway Research Program. Summary of Progress - National Cooperative Highway Research Program 2005. [Washington]: Highway Research Board, National Research Council.
MLA-Zitierstil (9. Ausg.)National Cooperative Highway Research Program. Summary of Progress - National Cooperative Highway Research Program 2005. Highway Research Board, National Research Council.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.