SPIRA, T. Hajdu, Tibor: The Hungarian Soviet Republic. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 418–420, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/9376. Acesso em: 19 mai. 2025.