Prof. dr hab. Piotr Maria Jaśkowski (1957-2011). Kronika Bydgoska, [S. l.], v. 32, p. 537–540, 2010. Disponível em: https://czasopisma.ukw.edu.pl/index.php/kronika-bydgoska/article/view/1709.. Acesso em: 22 nov. 2024.