Ryan, C. (1995). Researching tourist satisfaction: Issues, concepts, problems. Routledge.
Cita Chicago (17th ed.)Ryan, Chris. Researching Tourist Satisfaction: Issues, Concepts, Problems. London: Routledge, 1995.
Cita MLA (9th ed.)Ryan, Chris. Researching Tourist Satisfaction: Issues, Concepts, Problems. Routledge, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.