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.
Lua i Stíl Chicago (17ú heag.)American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, agus Pedro Albrecht. Guidelines for the Use of Weathering Steel in Bridges. Washington, D.C: Transportation Research Board, National Research Council, 1989.
Lua MLA (9ú heag.)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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.