Cetic.br. (2022). Executive Summary - Survey on the use of Information and communication technologies in Brazilian households: ICT Households 2021.
Chicago-referens (17:e uppl.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2021. 2022.
MLA-referens (9:e uppl.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2021. 2022.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.