Cita APA (7th ed.)

ebrary, Inc. (2004). The little green data book 2004. World Bank.

Cita Chicago (17th ed.)

ebrary, Inc. The Little Green Data Book 2004. Washington, D. C.: World Bank, 2004.

Cita MLA (9th ed.)

ebrary, Inc. The Little Green Data Book 2004. World Bank, 2004.