National Research Council. (1993). Rigid and flexible pavement design and rehabilitation. Washington, D C : National Academy Pr.
Chicago-referens (17:e uppl.)National Research Council. Rigid and Flexible Pavement Design and Rehabilitation. Washington, D C : National Academy Pr, 1993.
MLA-referens (9:e uppl.)National Research Council. Rigid and Flexible Pavement Design and Rehabilitation. Washington, D C : National Academy Pr, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.