"A Ruptura Popular: O Projeto Político do PT." N.p.:, 25 February 1984.

"A Ruptura Popular: O Projeto Político do PT." N.p.:, 25 February 1984., Box: 22, Folder: 5. 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/374956 Accessed September 26, 2026.