Cita APA

Duncan, J., & Parker, A. (2007). Open forum 3: Academic listening and speaking. Oxford: Oxford Univ. Press.

Chicago Style Citation

Duncan, Janie, i Amy Parker. Open Forum 3: Academic Listening and Speaking. Oxford: Oxford Univ. Press, 2007.

Cita MLA

Duncan, Janie, i Amy Parker. Open Forum 3: Academic Listening and Speaking. Oxford: Oxford Univ. Press, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.