National Research Council (U.S.). Transportation Research Board. (1998). Freight transportation: Planning, motor carrier size and weight issues, international trade, and hazardous materials transport. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Transportation Research Board. Freight Transportation: Planning, Motor Carrier Size and Weight Issues, International Trade, and Hazardous Materials Transport. Washington, D.C: National Academy Press, 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Transportation Research Board. Freight Transportation: Planning, Motor Carrier Size and Weight Issues, International Trade, and Hazardous Materials Transport. National Academy Press, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.