Cetic.br. (2024). Executive Summary - Survey on the use of Information and communication technologies in Brazilian households: ICT Households 2019.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2019. 2024.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2019. 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.