APA (7th ed.) Zitazioa

World Bank & ebrary, Inc. (2007). The little data book on external debt. World Bank.

Chicago Style (17th ed.) Zitazioa

World Bank eta Inc ebrary. The Little Data Book on External Debt. Washington, D.C.: World Bank, 2007.

MLA (9th ed.) Zitazioa

World Bank eta Inc ebrary. The Little Data Book on External Debt. World Bank, 2007.