APA aipamena

(1998). Sustainable tourism: A geographical perspective. Harlow [England]: Longman.

Chicago Style aipamena

Sustainable Tourism: A Geographical Perspective. Harlow [England]: Longman, 1998.

MLA aipamena

Sustainable Tourism: A Geographical Perspective. Harlow [England]: Longman, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.