Trích dẫn APA

Blackwell, A. (2007). Open forum 1: Academic listening and speaking 1: CDS 1-3: 3 CD. American: Oxford University.

Trích dẫn kiểu Chicago

Blackwell, Angela. Open Forum 1: Academic Listening and Speaking 1: CDS 1-3: 3 CD. American: Oxford University, 2007.

MLA Trích dẫn

Blackwell, Angela. Open Forum 1: Academic Listening and Speaking 1: CDS 1-3: 3 CD. American: Oxford University, 2007.

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