APA aipamena

 Strutt, P. (2005).  English for international tourism.  Longman.

Chicago Style aipamena

 Strutt, Peter.  English for International Tourism.  Longman, 2005.

MLA aipamena

 Strutt, Peter.  English for International Tourism.  Longman, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.