Charney, C., & Conway, K. (2005). The trainer's tool kit (Second edition.). AMACOM.
Dyfyniad Arddull ChicagoCharney, Cyril, and Kathy Conway. The Trainer's Tool Kit. Second edition. New York: AMACOM, 2005.
Dyfyniad MLACharney, Cyril, and Kathy Conway. The Trainer's Tool Kit. Second edition. AMACOM, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.