RACHWAŁ, M. Citizens’ initiatives in Switzerland. Przegląd Politologiczny, [S. l.], n. 3, p. 33–43, 2014. DOI: 10.14746/pp.2014.19.3.3. Disponível em: https://pressto.amu.edu.pl/index.php/pp/article/view/2910. Acesso em: 9 luty. 2023.