ZAJĄCZKOWSKI, Wojciech. Protected Regions in Łódź Voievodship. Turyzm/Tourism, Poland, v. 7, n. 2, p. 125–132, 1997. DOI: 10.18778/0867-5856.7.2.09. Disponível em: https://czasopisma.uni.lodz.pl/tourism/article/view/10421. Acesso em: 26 may. 2026.