Franklin, A. (2003). Tourism: An introduction. SAGE Publications.
Chicago Style (17th ed.) ZitazioaFranklin, Adrian. Tourism: An Introduction. London: SAGE Publications, 2003.
MLA (9th ed.) ZitazioaFranklin, Adrian. Tourism: An Introduction. SAGE Publications, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.