Damian, Iulian Mihai. „L’Osservanza Francescana E Le Crociate Contro I Turchi: Da Eugenio IV a Pio II”. Chronica 15 (július 1, 2017): 45–60. Elérés november 25, 2024. https://iskolakultura.hu/index.php/chronica/article/view/31682.