Cita APA

National Highway Institute (Estados Unidos), National Highway Institute (Estados Unidos), Federal Highway Administration (Estados Unidos). Department of Transportation, & Federal Highway Administration (Estados Unidos). Department of Transportation. (2010). Load and resistance factor rating of highway bridges. [Lugar de publicación no identificado]: National Highway Institute.

Citación estilo Chicago

National Highway Institute (Estados Unidos), National Highway Institute (Estados Unidos), Federal Highway Administration (Estados Unidos). Department of Transportation, y Federal Highway Administration (Estados Unidos). Department of Transportation. Load and Resistance Factor Rating of Highway Bridges. [Lugar de publicación no identificado]: National Highway Institute, 2010.

Cita MLA

National Highway Institute (Estados Unidos), National Highway Institute (Estados Unidos), Federal Highway Administration (Estados Unidos). Department of Transportation, y Federal Highway Administration (Estados Unidos). Department of Transportation. Load and Resistance Factor Rating of Highway Bridges. [Lugar de publicación no identificado]: National Highway Institute, 2010.