Cita APA

Blackwell, A., & Naber, T. (2007). Open forum 2: Academic listening and speaking. Oxford: Oxford Univ. Press.

Chicago Style Citation

Blackwell, Angela, i Therese Naber. Open Forum 2: Academic Listening and Speaking. Oxford: Oxford Univ. Press, 2007.

Cita MLA

Blackwell, Angela, i Therese Naber. Open Forum 2: Academic Listening and Speaking. Oxford: Oxford Univ. Press, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.