World Bank & World Bank. (2006). Where is the wealth of nations: Measuring capital for the 21st century. The World Bank.
Chicago-Zitierstil (17. Ausg.)World Bank und World Bank. Where Is the Wealth of Nations: Measuring Capital for the 21st Century. Washington, D.C.: The World Bank, 2006.
MLA-Zitierstil (9. Ausg.)World Bank und World Bank. Where Is the Wealth of Nations: Measuring Capital for the 21st Century. The World Bank, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.