American Association of State Highway and Transportation Officials, & American Association of State Highway and Transportation Officials. (2012). AASHTO Provisional Standards (16. edition.). Washington, D.C.: American Association of State Highway and Transportation Officials.
Chicago Style CitationAmerican Association of State Highway and Transportation Officials, and American Association of State Highway and Transportation Officials. AASHTO Provisional Standards. 16. edition. Washington, D.C.: American Association of State Highway and Transportation Officials, 2012.
MLA CitationAmerican Association of State Highway and Transportation Officials, and American Association of State Highway and Transportation Officials. AASHTO Provisional Standards. 16. edition. Washington, D.C.: American Association of State Highway and Transportation Officials, 2012.