Smith, Michael L. „The Revision of Social-Democracy, Nazism and Anti-Bolshevism in Western Europe : 1933-1945”. Acta Historica (Szeged) 95 (január 1, 1992): 65–83. Elérés november 24, 2024. https://iskolakultura.hu/index.php/acthist/article/view/10263.