American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. (1978). Manual on foundation investigations, 1978 (Rev. ed.). AASHTO.
Chicago Style (17th ed.) CitationAmerican Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. Manual on Foundation Investigations, 1978. Rev. ed. Washington, D. C.: AASHTO, 1978.
MLA (9th ed.) CitationAmerican Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. Manual on Foundation Investigations, 1978. Rev. ed. AASHTO, 1978.
Warning: These citations may not always be 100% accurate.