APA (7th ed.) Zitazioa

ebrary, Inc. (2007). The World Bank research program: Abstracts of current studies. World Bank.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc. The World Bank Research Program: Abstracts of Current Studies. Washington, D.C.: World Bank, 2007.

MLA (9th ed.) Zitazioa

ebrary, Inc. The World Bank Research Program: Abstracts of Current Studies. World Bank, 2007.