American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures, & American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. (1997). Guide specifications for design of pedestrian bridges. Washington, D.C.: American Association of State Highway and Transportation Officials.
Chicago Style CitationAmerican Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures, and American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. Guide Specifications for Design of Pedestrian Bridges. Washington, D.C.: American Association of State Highway and Transportation Officials, 1997.
MLA CitationAmerican Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures, and American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. Guide Specifications for Design of Pedestrian Bridges. Washington, D.C.: American Association of State Highway and Transportation Officials, 1997.