PEZDA, J. Turystyka. Retropijna podróż w czasie (część druga). UR Journal of Humanities and Social Sciences, [S. l.], v. 20, n. 3, p. 5–20, 2021. DOI: 10.15584/johass.2021.3.1. Disponível em: https://journals.ur.edu.pl/jhss/article/view/7719. Acesso em: 22 lip. 2024.