1. "Metalúrgicos do Rio: Pimentel ganhou com a ajuda de Brasília."Istoé, (1980 December 3).

1. "Metalúrgicos do Rio: Pimentel ganhou com a ajuda de Brasília."Istoé, (1980 December 3)., Box: 23. 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/375109 Accessed September 26, 2026.