APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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