Duncan, J., & Parker, A. (2007). Open forum 3: Academic listening and speaking. Oxford: Oxford Univ. Press.
Chicago Style citaatDuncan, Janie, en Amy Parker. Open Forum 3: Academic Listening and Speaking. Oxford: Oxford Univ. Press, 2007.
MLA citatieDuncan, Janie, en Amy Parker. Open Forum 3: Academic Listening and Speaking. Oxford: Oxford Univ. Press, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.