Rett R. Ludwikowski, Continuity and Change in Poland. Conservatism in Polish Political Thought. Zeitschrift für Ostmitteleuropa-Forschung, Marburg, v. 45, n. 3, p. 444–445, 1996. DOI: 10.25627/19964536156. Disponível em: https://openjournals.osmikon.de/zfo/article/view/6156. Acesso em: 31 oct. 2026.