Gewerkschaften am Scheideweg. PROKLA. Journal of Critical Social Science, Berlin, DE, v. 34, n. 137, p. 635–641, 2004. DOI: 10.32387/prokla.v34i137.616. Disponível em: https://prokla.de/index.php/PROKLA/article/view/616. Acesso em: 1 jan. 2026.