Richards, J. C. (2011). Expanding Tactics for Listening. Oxford: Oxford University press.
Dyfyniad Arddull ChicagoRichards, Jack C. Expanding Tactics for Listening. Oxford: Oxford University press, 2011.
Dyfyniad MLARichards, Jack C. Expanding Tactics for Listening. Oxford: Oxford University press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.