Oxenden, C. (2009). American English file: Workbook 4. Oxford: Oxford University Press.
Style de citation ChicagoOxenden, Clive. American English File: Workbook 4. Oxford: Oxford University Press, 2009.
Style de citation MLAOxenden, Clive. American English File: Workbook 4. Oxford: Oxford University Press, 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.