Cetic.br. (2021). Executive Summary - Survey on the use of information and communication technologies in Brazilian households: ICT Households 2020.
Chicago-referens (17:e uppl.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2020. 2021.
MLA-referens (9:e uppl.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2020. 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.