Cita APA

Youell, R. (1998). Tourism: An introduction. Harlow, Essex: Addison Wesley Longman.

Chicago Style Citation

Youell, Ray. Tourism: An Introduction. Harlow, Essex: Addison Wesley Longman, 1998.

Cita MLA

Youell, Ray. Tourism: An Introduction. Harlow, Essex: Addison Wesley Longman, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.