Trích dẫn APA

Blackwell Angela. (2006). Open forum 2: Academic listening and speaking: CDS 1-3: 3 CD. American: Oxford University.

Trích dẫn kiểu Chicago

Blackwell Angela. Open Forum 2: Academic Listening and Speaking: CDS 1-3: 3 CD. American: Oxford University, 2006.

MLA Trích dẫn

Blackwell Angela. Open Forum 2: Academic Listening and Speaking: CDS 1-3: 3 CD. American: Oxford University, 2006.

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