MacKenzie, J. J., & Walsh, M. P. (1990). Driving forces: Motor vehicle trends and their implications for global warming, energy strategies, and transportation planning. World Resources Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)MacKenzie, James J., و Michael P. Walsh. Driving Forces: Motor Vehicle Trends and Their Implications for Global Warming, Energy Strategies, and Transportation Planning. Washington, DC, USA: World Resources Institute, 1990.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)MacKenzie, James J., و Michael P. Walsh. Driving Forces: Motor Vehicle Trends and Their Implications for Global Warming, Energy Strategies, and Transportation Planning. World Resources Institute, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.