National Automobile Chamber of Commerce, Automobile Manufacturers Association, & Motor Vehicle Manufacturers Association of the United States. (1934). Automobile facts and figures. National Automobile Chamber of Commerce.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Automobile Chamber of Commerce, Automobile Manufacturers Association, و Motor Vehicle Manufacturers Association of the United States. Automobile Facts and Figures. Detroit: National Automobile Chamber of Commerce, 1934.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Automobile Chamber of Commerce, et al. Automobile Facts and Figures. National Automobile Chamber of Commerce, 1934.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.