Jennings, G. (2010). Tourism research (2nd ed.). Wiley.
Chicago Style aipamenaJennings, Gayle. Tourism Research. 2nd ed. New York: Wiley, 2010.
MLA aipamenaJennings, Gayle. Tourism Research. 2nd ed. Wiley, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.