Bernard, J., & Lee, L. (2004). Select readings: Upper-intermediate. New York: Oxford University Press.
Dyfyniad Arddull ChicagoBernard, Jean, và Linda Lee. Select Readings: Upper-intermediate. New York: Oxford University Press, 2004.
Dyfyniad MLABernard, Jean, và Linda Lee. Select Readings: Upper-intermediate. New York: Oxford University Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.