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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, و Pedro Albrecht. Guidelines for the Use of Weathering Steel in Bridges. Washington, D.C: Transportation Research Board, National Research Council, 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.