Cetic.br. (2024). Executive Summary - Survey on the use of Information and communication technologies in Brazilian households: ICT Households 2021.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2021. 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2021. 2024.
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