American Association of State Highway Officials. (1931). Standard specifications for highway bridges. s.n.
Chicago Style (17th ed.) CitationAmerican Association of State Highway Officials. Standard Specifications for Highway Bridges. Washington: s.n, 1931.
MLA (9th ed.) CitationAmerican Association of State Highway Officials. Standard Specifications for Highway Bridges. s.n, 1931.
Warning: These citations may not always be 100% accurate.