Trích dẫn APA

Duckworth, M. (2008). English for life: 1 Class CDs. Oxford: Oxford University.

Trích dẫn kiểu Chicago

Duckworth, Michael. English for Life: 1 Class CDs. Oxford: Oxford University, 2008.

MLA Trích dẫn

Duckworth, Michael. English for Life: 1 Class CDs. Oxford: Oxford University, 2008.

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