Rogers, W. A. (2007). Behaviour management: A whole-school approach (2nd edition.). Paul Chapman.
Dyfyniad Arddull ChicagoRogers, William A. Behaviour Management: A Whole-school Approach. 2nd edition. London: Paul Chapman, 2007.
Dyfyniad MLARogers, William A. Behaviour Management: A Whole-school Approach. 2nd edition. Paul Chapman, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.