(2015). Purchasing power parities and the real size of world economies: A comprehensive report of the International Comparison Program. World Bank.
Chicago-Zitierstil (17. Ausg.)Purchasing Power Parities and the Real Size of World Economies: A Comprehensive Report of the International Comparison Program. Washington, DC: World Bank, 2015.
MLA-Zitierstil (9. Ausg.)Purchasing Power Parities and the Real Size of World Economies: A Comprehensive Report of the International Comparison Program. World Bank, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.