National Research Council (U.S.). Transportation Research Board. (1997). Construction: Flexible pavements, bridges, quality and management. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Transportation Research Board. Construction: Flexible Pavements, Bridges, Quality and Management. Washington, D.C: National Academy Press, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Transportation Research Board. Construction: Flexible Pavements, Bridges, Quality and Management. National Academy Press, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.