Cetic.br. (2024). Executive Summary - Survey on the use of information and communication technologies in the Brazilian public sector: ICT Electronic Government 2021.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in the Brazilian Public Sector: ICT Electronic Government 2021. 2024.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in the Brazilian Public Sector: ICT Electronic Government 2021. 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.