United States. Federal Highway Administration, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, & Chen, S. S. (2005). Effective slab width for composite steel bridge members. Transportation Research Board.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Federal Highway Administration, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, و S. S. Chen. Effective Slab Width for Composite Steel Bridge Members. Washington, D.C: Transportation Research Board, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United States. Federal Highway Administration, et al. Effective Slab Width for Composite Steel Bridge Members. Transportation Research Board, 2005.