JACKOWSKI, Antoni; KUREK, Włodzimierz. Professor Jadwiga Warszyńska (18th July 1925 – 19th August 2011). Turyzm/Tourism, Poland, v. 21, n. 1-2, p. 79–81, 2012. Disponível em: https://www.czasopisma.uni.lodz.pl/tourism/article/view/7222. Acesso em: 25 may. 2026.