Niegowski, Krzysztof. “The 23rd Fr. Stanisław Ormiński International Festival of Religious Music in Rumia (Rumia, October 13–15, 2011)”. Seminare. Learned Investigations 34 (December 30, 2022): 387–391. Accessed May 18, 2024. https://czasopisma.uksw.edu.pl/index.php/s/article/view/11196.