APA引文

Duckworth, M. (2004). English for the travel and tourist industry: Workbook. NewYork: Oxford University press.

Trích dẫn kiểu Chicago

Duckworth, Michael. English for the Travel and Tourist Industry: Workbook. NewYork: Oxford University press, 2004.

MLA引文

Duckworth, Michael. English for the Travel and Tourist Industry: Workbook. NewYork: Oxford University press, 2004.

警告：這些引文格式不一定是100％准確.