Jennings, G. A. (2010). Tourism research (2nd ed.).
Chicago Style aipamenaJennings, Gayle; Author. Tourism Research. 2nd ed. Milton, John Wiley & Sons Australia, Ltd, 2010.
MLA aipamenaJennings, Gayle; Author. Tourism Research. 2nd ed. 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.