SKRZYPCZYK, Aleksandra. Schulz w operze. Schulz/Forum, [S. l.], n. 9, p. 129–140, 2017. DOI: 10.26881/sf.2017.09.13. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/schulz/article/view/2599. Acesso em: 19 kwi. 2024.