Silva, S. P. d., & Cetic.br. (2024). Universal broadband: International context and Brazilian scenario.
芝加哥风格引文Silva, Sivaldo Pereira da, 与 Cetic.br. Universal Broadband: International Context and Brazilian Scenario. 2024.
MLA引文Silva, Sivaldo Pereira da, 与 Cetic.br. Universal Broadband: International Context and Brazilian Scenario. 2024.
警告：这些引文格式不一定是100％准确.