RIEDEL, Rafał. Polityczna debata na temat modelu społecznego w Europie. Studia Politicae Universitatis Silesiensis, [S. l.], v. 3, 2007. Disponível em: https://journals.us.edu.pl/index.php/SPUS/article/view/5247. Acesso em: 15 mar. 2025.