BIHL, W. Pidhainy, Oleh Semenovych: The Formation of the Ukrainian Republic. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 390–391, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/12001. Acesso em: 2 mai. 2024.