APA ציטוט

Duckworth, M. (1998). Going international English for tourism: Workbook. American: Oxford University press.

Trích dẫn kiểu Chicago

Duckworth, Michael. Going International English for Tourism: Workbook. American: Oxford University press, 1998.

ציטוט MLA

Duckworth, Michael. Going International English for Tourism: Workbook. American: Oxford University press, 1998.