World Bank. Development Data Group, World Bank, & ebrary, Inc. (2008). Little data book on external debt. World Bank.
Citazione stile Chigago Style (17a edizione)World Bank. Development Data Group, World Bank, e Inc ebrary. Little Data Book on External Debt. Washington: World Bank, 2008.
Citatione MLA (9a ed.)World Bank. Development Data Group, et al. Little Data Book on External Debt. World Bank, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.