World Bank & ebrary, Inc. (2013). The little data book on information and communication technology. World Bank.
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Dyfyniad Arddull Chicago
World Bank and Inc ebrary. The Little Data Book on Information and Communication Technology. Washington, DC: World Bank, 2013.
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Dyfyniad MLA
World Bank and Inc ebrary. The Little Data Book on Information and Communication Technology. World Bank, 2013.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.