APA aipamena

Blackwell, A. (2007). Open forum: Academic listening and speaking. New York, NY: Oxford University Press.

Chicago Style aipamena

Blackwell, Angela. Open Forum: Academic Listening and Speaking. New York, NY: Oxford University Press, 2007.

MLA aipamena

Blackwell, Angela. Open Forum: Academic Listening and Speaking. New York, NY: Oxford University Press, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.