APA (7. basım) Alıntı

ebrary, Inc. (2004). African development indicators 2004. World Bank.

Chicago Style (17. basım) Atıf

ebrary, Inc. African Development Indicators 2004. Washington, D.C.: World Bank, 2004.

MLA (9th ed.) Atıf

ebrary, Inc. African Development Indicators 2004. World Bank, 2004.