Program, N. R. C. S. H. R. (1993). Distress identification manual for the long term pavement performance project. Washington, DC : National Academy of Sciences.
Chicago-Zitierstil (17. Ausg.)Program, National Research Council. Strategic Highway Research. Distress Identification Manual for the Long Term Pavement Performance Project. Washington, DC : National Academy of Sciences, 1993.
MLA-Zitierstil (9. Ausg.)Program, National Research Council. Strategic Highway Research. Distress Identification Manual for the Long Term Pavement Performance Project. Washington, DC : National Academy of Sciences, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.