(1992). AASHTO (American Association of State Highway and Transportation Officials) Guide for Design of Pavement Structures 1993. AASHTO.
Chicago Style aipamenaAASHTO (American Association of State Highway and Transportation Officials) Guide for Design of Pavement Structures 1993. AASHTO, 1992.
MLA aipamenaAASHTO (American Association of State Highway and Transportation Officials) Guide for Design of Pavement Structures 1993. AASHTO, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.