Cita APA (7th ed.)
ebrary, Inc. (2004). 2004. The World Bank.
Cita Chicago (17th ed.)
ebrary, Inc. 2004. Washington, D.C.: The World Bank, 2004.
Cita MLA (9th ed.)
ebrary, Inc. 2004. The World Bank, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.