Dubicka, I. (2003). English for international tourism: Pre-intermadiate Students' book. Harlow, England: Pearson Education Limited.
Trích dẫn kiểu ChicagoDubicka, Iwonna. English for International Tourism: Pre-intermadiate Students' Book. Harlow, England: Pearson Education Limited, 2003.
Deismireacht MLADubicka, Iwonna. English for International Tourism: Pre-intermadiate Students' Book. Harlow, England: Pearson Education Limited, 2003.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.