1. Comitê Central do Partido Comunista do Brasil. "Informe do CC. do PC do B." N.p.:, 1980 March.

1. Comitê Central do Partido Comunista do Brasil. "Informe do CC. do PC do B." N.p.:, 1980 March., Box: 7. Eduardo Sarno Collection of Leftist Movements in Brazil, 2002-03. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/372552 Accessed September 27, 2026.