Krystyna Kwaśniewska (1928-2018). Kronika Bydgoska, [S. l.], v. 39, p. 387–390, 2018. Disponível em: https://czasopisma.ukw.edu.pl/index.php/kronika-bydgoska/article/view/1205.. Acesso em: 6 feb. 2026.