Citazione Stile APA (7a Edizione)
(2018). World Telecommunication/ICT Indicators Database: Chronological Time Series 1960-2017 (22nd Edition.). International Telecommunication Union.
Citazione stile Chigago Style (17a edizione)
World Telecommunication/ICT Indicators Database: Chronological Time Series 1960-2017. 22nd Edition. Geneva: International Telecommunication Union, 2018.
Citatione MLA (9a ed.)
World Telecommunication/ICT Indicators Database: Chronological Time Series 1960-2017. 22nd Edition. International Telecommunication Union, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.