Whitney, N. (1994). Open doors: Student's book 2. Oxford: Oxford University Press.
Style de citation ChicagoWhitney, Norman. Open Doors: Student's Book 2. Oxford: Oxford University Press, 1994.
Style de citation MLAWhitney, Norman. Open Doors: Student's Book 2. Oxford: Oxford University Press, 1994.
Attention : ces citations peuvent ne pas être correctes à 100%.