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.