ebrary, Inc, & World Bank. (2013). Little data book on Africa 2012/2013. World Bank.
Chicago-čujuhus (17. p.)ebrary, Inc, juo World Bank. Little Data Book on Africa 2012/2013. Washington, D.C.: World Bank, 2013.
MLA-čujuhus (9. p.)ebrary, Inc, juo World Bank. Little Data Book on Africa 2012/2013. World Bank, 2013.
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