LISZEWSKI , Stanisław. "Turyzm". Turyzm/Tourism, [S. l.], v. 18, n. 1, p. 100–102, 2008. DOI: 10.18778/0867-5856.18.1.19. Disponível em: https://czasopisma.uni.lodz.pl/tourism/article/view/10168. Acesso em: 12 apr. 2025.