Dyfyniad APA

(2014). Little data book on information and communication technology 2014. The World Bank : ITU.

Dyfyniad Arddull Chicago

Little Data Book on Information and Communication Technology 2014. Washington, District of Columbia: The World Bank : ITU, 2014.

Dyfyniad MLA

Little Data Book on Information and Communication Technology 2014. The World Bank : ITU, 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.