CGI.br. (2025). Resolução CGI.br/RES/2020/002: Apoio ao evento Ibusiness 2020.
Παραπομπή σε μορφή Chicago (17η εκδ.)CGI.br. Resolução CGI.br/RES/2020/002: Apoio Ao Evento Ibusiness 2020. 2025.
Παραπομπή σε μορφή MLA (9th εκδ.)CGI.br. Resolução CGI.br/RES/2020/002: Apoio Ao Evento Ibusiness 2020. 2025.
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