United States. Interstate Commerce Commission. Bureau of Accounts. (1971). Cost of transporting freight by Class I and Class II motor common carriers of general commodities. The Bureau.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Interstate Commerce Commission. Bureau of Accounts. Cost of Transporting Freight by Class I and Class II Motor Common Carriers of General Commodities. Washington, D.C.: The Bureau, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Interstate Commerce Commission. Bureau of Accounts. Cost of Transporting Freight by Class I and Class II Motor Common Carriers of General Commodities. The Bureau, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.