Kravis, I. B. (1975). A system of international comparisons of gross product and purchasing power. Johns Hopins University Press.
Chicago-Zitierstil (17. Ausg.)Kravis, Irving B. A System of International Comparisons of Gross Product and Purchasing Power. Johns Hopins University Press, 1975.
MLA-Zitierstil (9. Ausg.)Kravis, Irving B. A System of International Comparisons of Gross Product and Purchasing Power. Johns Hopins University Press, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.