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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Association of State Highway and Transportation Officials, United States. Federal Highway Administration, और Pedro Albrecht. Guidelines for the Use of Weathering Steel in Bridges. Washington, D.C: Transportation Research Board, National Research Council, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican 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.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.