Cetic.br. (2020). Executive Summary - Survey on the use of Information and communication technologies in Brazilian households: ICT Households 2019.
Chicago-referens (17:e uppl.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2019. 2020.
MLA-referens (9:e uppl.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2019. 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.