Conference on Research in Income and Wealth, ebrary, Inc, CRIW Conference on International and Interarea Comparisons of Price, Income, and Output, Heston, A. W., & Lipsey, R. E. (1999). International and interarea comparisons of income, output, and prices. University of Chicago Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Conference on Research in Income and Wealth, Inc ebrary, Income CRIW Conference on International and Interarea Comparisons of Price, Alan W. Heston, و Robert E. Lipsey. International and Interarea Comparisons of Income, Output, and Prices. Chicago, Ill.: University of Chicago Press, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Conference on Research in Income and Wealth, et al. International and Interarea Comparisons of Income, Output, and Prices. University of Chicago Press, 1999.