RESEARCH, T. (1994). Transportation Research No. 1450: Pricing Economic Development, Cost Analysis, Transpotation Impacts, and Transportation Managemen.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)RESEARCH, Transportation. Transportation Research No. 1450: Pricing Economic Development, Cost Analysis, Transpotation Impacts, and Transportation Managemen. 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)RESEARCH, Transportation. Transportation Research No. 1450: Pricing Economic Development, Cost Analysis, Transpotation Impacts, and Transportation Managemen. 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.