Voase, R. (1995). Tourism: The human perspective. Hodder and Stoughton.
Chicago Style aipamenaVoase, Richard. Tourism: The Human Perspective. London: Hodder and Stoughton, 1995.
MLA aipamenaVoase, Richard. Tourism: The Human Perspective. Hodder and Stoughton, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.