(1992). AASHTO (American Association of State Highway and Transportation Officials) Guide for Design of Pavement Structures 1993. AASHTO.
Chicago-referens (17:e uppl.)AASHTO (American Association of State Highway and Transportation Officials) Guide for Design of Pavement Structures 1993. AASHTO, 1992.
MLA-referens (8:e uppl.)AASHTO (American Association of State Highway and Transportation Officials) Guide for Design of Pavement Structures 1993. AASHTO, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.