CIEŚLAK, A. 20 th International Festival of Sacred Music Gaude Mater in Częstochowa. (Częstochowa, 30 April - 6 May 2010). Seminare. Learned Investigations, [S. l.], v. 30, p. 305–307, 2023. DOI: 10.21852/sem.2011.30.27. Disponível em: https://czasopisma.uksw.edu.pl/index.php/s/article/view/11412. Acesso em: 18 may. 2024.