Παραπομπή σε μορφή APA (7η εκδ.)

(2006). Where is the wealth of nations Measuring capital for the 21St century. The World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Where Is the Wealth of Nations Measuring Capital for the 21St Century. The World Bank, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

Where Is the Wealth of Nations Measuring Capital for the 21St Century. The World Bank, 2006.