Cetic.br. (2023). Executive Summary - Survey on the Internet service provider sector in Brazil: ICT Providers 2022.
Chicago-čujuhus (17. p.)Cetic.br. Executive Summary - Survey on the Internet Service Provider Sector in Brazil: ICT Providers 2022. 2023.
MLA-čujuhus (9. p.)Cetic.br. Executive Summary - Survey on the Internet Service Provider Sector in Brazil: ICT Providers 2022. 2023.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.