Oxenden, C. (1999). English file: Teacher's book. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoOxenden, Clive. English File: Teacher's Book. Oxford: Oxford University Press, 1999.
Deismireacht MLAOxenden, Clive. English File: Teacher's Book. Oxford: Oxford University Press, 1999.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.