APA (7th ed.) Zitazioa
ebrary, Inc. (2010). The little green data book: From the World Development Indicators. World Bank.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. The Little Green Data Book: From the World Development Indicators. Washington, D.C.: World Bank, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc. The Little Green Data Book: From the World Development Indicators. World Bank, 2010.
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