World Bank & ebrary, Inc. (2012). 2012 Information and communications for development: Maximizing mobile. World Bank.
Chicago-viite (17. p.)World Bank ja Inc ebrary. 2012 Information and Communications for Development: Maximizing Mobile. Washington, D.C.: World Bank, 2012.
MLA-viite (9. p.)World Bank ja Inc ebrary. 2012 Information and Communications for Development: Maximizing Mobile. World Bank, 2012.
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