American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, & Albrecht, P. (1989). Guidelines for the use of weathering steel in bridges. Transportation Research Board, National Research Council.
Chicago-referens (17:e uppl.)American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, och Pedro Albrecht. Guidelines for the Use of Weathering Steel in Bridges. Washington, D.C: Transportation Research Board, National Research Council, 1989.
MLA-referens (9:e uppl.)American Association of State Highway and Transportation Officials, et al. Guidelines for the Use of Weathering Steel in Bridges. Transportation Research Board, National Research Council, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.