Dyfyniad APA

Petty, G. (2001). Teaching today (2nd ed.). Cheltenham: Nelson Thornes.

Dyfyniad Arddull Chicago

Petty, Geoffrey. Teaching Today. 2nd ed. Cheltenham: Nelson Thornes, 2001.

Dyfyniad MLA

Petty, Geoffrey. Teaching Today. 2nd ed. Cheltenham: Nelson Thornes, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.