Richards, J. C. (1998). New interchange intro: Class audio CDs [Đĩa CD-ROM]. Cambridge: Cambridge University Press.
Style de citation ChicagoRichards, Jack C. New Interchange Intro: Class Audio CDs [Đĩa CD-ROM]. Cambridge: Cambridge University Press, 1998.
Style de citation MLARichards, Jack C. New Interchange Intro: Class Audio CDs [Đĩa CD-ROM]. Cambridge: Cambridge University Press, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.