Ryan, C. (1995). Researching tourist satisfaction: Issues, concepts, problems. Routledge.
Chicago Style aipamenaRyan, Chris. Researching Tourist Satisfaction: Issues, Concepts, Problems. London: Routledge, 1995.
MLA aipamenaRyan, Chris. Researching Tourist Satisfaction: Issues, Concepts, Problems. Routledge, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.