Cita APA (7th ed.)
ebrary, Inc. (2006). The little green data book 2006. World Bank.
Cita Chicago (17th ed.)
ebrary, Inc. The Little Green Data Book 2006. Washington, D. C.: World Bank, 2006.
Cita MLA (9th ed.)
ebrary, Inc. The Little Green Data Book 2006. World Bank, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.