GOSAR, Anton. Sonaravni turizem v regiji Alpe-Jadran - realnost ali utopija. Dela, Ljubljana, SI, n. 19, p. 141–151, 2003. DOI: 10.4312/dela.19.141-151. Disponível em: https://journals.uni-lj.si/Dela/article/view/1399.. Acesso em: 9 sep. 2024.