LEWANDOWSKY, Marcel. Electoral Campaigning in the German Länder: Beyond the Discourse of Professionalization. Momentum Quarterly, Innsbruck, Österreich, v. 2, n. 2, p. 67–76, 2013. Disponível em: https://momentum-quarterly-journal.uibk.ac.at/momentum/article/view/1707. Acesso em: 16 feb. 2026.