HOLLÓS, Zita. Buch, Hörbuch, E-Book & Co. Lexikalischer Wandel und Lemmaupdate eines deutschen Lernerwörterbuchportals. Списание „Германистика и скандинавистика“ / Journal for German and Scandinavian Studies, [S. l.], v. 1, p. 92–118, 2025. Disponível em: https://periodicals.uni-sofia.bg/index.php/gsc/article/view/3213. Acesso em: 9 фев. 2026.