(2004). Face2face: Upper-intermediate class audio CDs. New York, US: Cambridge University Press.
Dyfyniad Arddull ChicagoFace2face: Upper-intermediate Class Audio CDs. New York, US: Cambridge University Press, 2004.
Dyfyniad MLAFace2face: Upper-intermediate Class Audio CDs. New York, US: Cambridge University Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.