2. "O falso marxismo de Mao Tse Tung."Movimento 218, (1979 September 3-9).

2. "O falso marxismo de Mao Tse Tung."Movimento 218, (1979 September 3-9)., Box: 10. 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/372919 Accessed September 26, 2026.