(2014). Little data book on information and communication technology 2014. The World Bank : ITU.
Chicagoスタイル(17版)引用形式Little Data Book on Information and Communication Technology 2014. Washington, District of Columbia: The World Bank : ITU, 2014.
MLA(9版)引用形式Little Data Book on Information and Communication Technology 2014. The World Bank : ITU, 2014.
警告: この引用は必ずしも正確ではありません.