Cetic.br. (2020). Executive Summary - Survey on the use of Information and communication technologies in Brazilian households: ICT Households 2019.
Παραπομπή σε μορφή Chicago (17η εκδ.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2019. 2020.
Παραπομπή σε μορφή MLA (9th εκδ.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2019. 2020.
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