Dyfyniad APA

Program, N. R. C. S. H. R. (1993). Distress identification manual for the long term pavement performance project. Washington, DC : National Academy of Sciences.

Dyfyniad Arddull Chicago

Program, National Research Council. Strategic Highway Research. Distress Identification Manual for the Long Term Pavement Performance Project. Washington, DC : National Academy of Sciences, 1993.

Dyfyniad MLA

Program, National Research Council. Strategic Highway Research. Distress Identification Manual for the Long Term Pavement Performance Project. Washington, DC : National Academy of Sciences, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.