Cetic.br. (2021). Executive Summary - Survey on the use of information and communication technologies in Brazilian households: ICT Households 2020.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2020. 2021.
MLA -ийн эшлэл (9 дэх хэвлэлт)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Households: ICT Households 2020. 2021.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.