Cetic.br. (2021). Executive Summary - Survey on Internet use by children in Brazil: ICT Kids Online Brazil 2020.
Chicago-čujuhus (17. p.)Cetic.br. Executive Summary - Survey on Internet Use by Children in Brazil: ICT Kids Online Brazil 2020. 2021.
MLA-čujuhus (9. p.)Cetic.br. Executive Summary - Survey on Internet Use by Children in Brazil: ICT Kids Online Brazil 2020. 2021.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.