Richard, J. C. (1997). Expanding tactics for listening. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoRichard, Jack C. Expanding Tactics for Listening. Oxford: Oxford University Press, 1997.
Dyfyniad MLARichard, Jack C. Expanding Tactics for Listening. Oxford: Oxford University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.