Cita APA (7th ed.)
World Bank & ebrary, Inc. (2008). The little green data book. World Bank.
Cita Chicago (17th ed.)
World Bank i Inc ebrary. The Little Green Data Book. Washington, D.C.: World Bank, 2008.
Cita MLA (9th ed.)
World Bank i Inc ebrary. The Little Green Data Book. World Bank, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.