National Research Council (U.S.). Transportation Research Board. Research and Technology Coordinating Committee. (1997). Developing long-lasting, lower-maintenance highway pavement: Research needs. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Transportation Research Board. Research and Technology Coordinating Committee. Developing Long-lasting, Lower-maintenance Highway Pavement: Research Needs. Washington, D.C: National Academy Press, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Transportation Research Board. Research and Technology Coordinating Committee. Developing Long-lasting, Lower-maintenance Highway Pavement: Research Needs. National Academy Press, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.