Oxenden, C. (1996). English file: Listen and speak. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoOxenden, Clive. English File: Listen and Speak. Oxford: Oxford University Press, 1996.
Deismireacht MLAOxenden, Clive. English File: Listen and Speak. Oxford: Oxford University Press, 1996.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.