Cetic.br. (2020). Executive Summary - Survey on Internet use by children in Brazil: ICT Kids Online Brazil 2019.
Citazione stile Chigago Style (17a edizione)Cetic.br. Executive Summary - Survey on Internet Use by Children in Brazil: ICT Kids Online Brazil 2019. 2020.
Citatione MLA (9a ed.)Cetic.br. Executive Summary - Survey on Internet Use by Children in Brazil: ICT Kids Online Brazil 2019. 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.