Pál Engel, The Realm of St Stephen. Zeitschrift für Ostmitteleuropa-Forschung, Marburg, v. 51, n. 1, p. 133–134, 2002. DOI: 10.25627/20025117704. Disponível em: https://openjournals.osmikon.de/zfo/article/view/7704. Acesso em: 31 oct. 2026.