HAHN, W. Metcalf, D. M.: Coinage in South-Eastern Europe 820—1396. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 328–329, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/9703. Acesso em: 1 mai. 2025.