C. Fleck, и A. Müller. Österreichische Zeitschrift für Geschichtswissenschaften, 8 (1):
101-126(1997)https://nbn-resolving.org/urn:nbn:de:0168-ssoar-235029. (ALLBUS).
Z. Pavlović. European Quarterly of Political Attitudes and Mentalities, 5 (3):
41-55(2016)https://sites.google.com/a/fspub.unibuc.ro/european-quarterly-of-political-attitudes-and-mentalities. (EVS).