Cita APA (7a ed.)
(2018). World Telecommunication/ICT Indicators Database: Chronological Time Series 1960-2017 (22nd Edition.). International Telecommunication Union.
Cita Chicago Style (17a ed.)
World Telecommunication/ICT Indicators Database: Chronological Time Series 1960-2017. 22nd Edition. Geneva: International Telecommunication Union, 2018.
Cita MLA (9a ed.)
World Telecommunication/ICT Indicators Database: Chronological Time Series 1960-2017. 22nd Edition. International Telecommunication Union, 2018.
Precaución: Estas citas no son 100% exactas.