Trích dẫn APA

Duckworth, M. (2008). Business result: Upper - Intermediate: Student's book. Anh: Oxford University.

Trích dẫn kiểu Chicago

Duckworth, Michael. Business Result: Upper - Intermediate: Student's Book. Anh: Oxford University, 2008.

MLA Trích dẫn

Duckworth, Michael. Business Result: Upper - Intermediate: Student's Book. Anh: Oxford University, 2008.

Warning: These citations may not always be 100% accurate.