Petty, G. (2001). Teaching today (2nd ed.). Cheltenham: Nelson Thornes.
Dyfyniad Arddull ChicagoPetty, Geoffrey. Teaching Today. 2nd ed. Cheltenham: Nelson Thornes, 2001.
Dyfyniad MLAPetty, Geoffrey. Teaching Today. 2nd ed. Cheltenham: Nelson Thornes, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.