Sacramento, I., Silva, M. A. R. d., & Ribeiro, A. P. G. (2009). The PCB and media modernization in Brazil: Proposals for the analysis of relations between communists and television in the 1970’s. Em Questão, 15(2), .

Sacramento, Igor, Marco Antonio Roxo da Silva, and Ana Paula Goulart Ribeiro. "The PCB and Media Modernization in Brazil: Proposals for the Analysis of Relations between Communists and Television in the 1970’s." Em Questão 15, no. 2 (2009).

Sacramento, Igor, Marco Antonio Roxo da Silva, and Ana Paula Goulart Ribeiro. "The PCB and Media Modernization in Brazil: Proposals for the Analysis of Relations between Communists and Television in the 1970’s." Em Questão 15.2 (2009).