RADZIEWICZ-WINNICKI, Andrzej. Wspomnienie. Stephen Walker (1944–2015). Chowanna, [S. l.], v. 46, n. 1 (46), p. 359–365, 2016. DOI: 10.31261/CHOWANNA.2016.46.20. Disponível em: https://journals.us.edu.pl/index.php/CHOWANNA/article/view/20774. Acesso em: 4 luty. 2026.