National Research Council (U.S.). Transportation Research Board. (1995). Assessing worldwide low-volume roads: Problems, needs, and impacts. Transportation Research Board, National Research Council.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Transportation Research Board. Assessing Worldwide Low-volume Roads: Problems, Needs, and Impacts. Washington, D.C: Transportation Research Board, National Research Council, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Transportation Research Board. Assessing Worldwide Low-volume Roads: Problems, Needs, and Impacts. Transportation Research Board, National Research Council, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.