Oxenden, C. (2012). New english file: Workbook with key. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoOxenden, Clive. New English File: Workbook With Key. Oxford: Oxford University Press, 2012.
Deismireacht MLAOxenden, Clive. New English File: Workbook With Key. Oxford: Oxford University Press, 2012.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.