Style de citation APA (7e éd.)

Kravis, I. B. (1975). A system of international comparisons of gross product and purchasing power. Johns Hopins University Press.

Style de citation Chicago (17e éd.)

Kravis, Irving B. A System of International Comparisons of Gross Product and Purchasing Power. Johns Hopins University Press, 1975.

Style de citation MLA (9e éd.)

Kravis, Irving B. A System of International Comparisons of Gross Product and Purchasing Power. Johns Hopins University Press, 1975.