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. (1978). Interim specifications, bridges. Washington: The Subcommittee.
Citación estilo ChicagoAmerican Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures, y American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. Interim Specifications, Bridges. Washington: The Subcommittee, 1978.
Cita MLAAmerican Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures, y American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. Interim Specifications, Bridges. Washington: The Subcommittee, 1978.