Westbrook, C., & Carolyn Westbrook. (2014). Unlock: Listening and speaking skills. Cambridge: Cambridge University Press.
Style de citation ChicagoWestbrook, Carolyn, et Carolyn Westbrook. Unlock: Listening and Speaking Skills. Cambridge: Cambridge University Press, 2014.
Style de citation MLAWestbrook, Carolyn, et Carolyn Westbrook. Unlock: Listening and Speaking Skills. Cambridge: Cambridge University Press, 2014.
Attention : ces citations peuvent ne pas être correctes à 100%.