Oxenden, C. (2012). New english file: Workbook. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoOxenden, Clive. New English File: Workbook. Oxford: Oxford University Press, 2012.
Dyfyniad MLAOxenden, Clive. New English File: Workbook. Oxford: Oxford University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.