KRZYMOWSKA-KOSTROWICKA, A. Stephen L. J. Smith, 1983, Recreation Geography, Longman Group Ltd., London-New York, s. 220. Turyzm/Tourism, [S. l.], n. 2, p. 81–84, 1986. DOI: 10.18778/0860-1119.2.09. Disponível em: https://czasopisma.uni.lodz.pl/tourism/article/view/11162. Acesso em: 3 may. 2024.