APA引文

Dubicka, I. (2003). English for international tourism: Pre-intermadiate Students' book. Harlow, England: Pearson Education Limited.

Trích dẫn kiểu Chicago

Dubicka, Iwonna. English for International Tourism: Pre-intermadiate Students' Book. Harlow, England: Pearson Education Limited, 2003.

MLA引文

Dubicka, Iwonna. English for International Tourism: Pre-intermadiate Students' Book. Harlow, England: Pearson Education Limited, 2003.

警告：這些引文格式不一定是100％准確.