Cetic.br. (2020). Executive Summary - Survey on Internet use by children in Brazil: ICT Kids Online Brazil 2019.
Chicago-referens (17:e uppl.)Cetic.br. Executive Summary - Survey on Internet Use by Children in Brazil: ICT Kids Online Brazil 2019. 2020.
MLA-referens (9:e uppl.)Cetic.br. Executive Summary - Survey on Internet Use by Children in Brazil: ICT Kids Online Brazil 2019. 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.