Cita APA

Blackwell, A. (2006). Open forum Intermediate: Academic listening and speaking. Student book 2. New Yok: Oxford University Press.

Citación estilo Chicago

Blackwell, Angela. Open Forum Intermediate: Academic Listening and Speaking. Student Book 2. New Yok: Oxford University Press, 2006.

Cita MLA

Blackwell, Angela. Open Forum Intermediate: Academic Listening and Speaking. Student Book 2. New Yok: Oxford University Press, 2006.