Leigh, D. (2006). The group trainer's handbook: Designing and delivering training for groups (Third edition.). Kogan Page.
Chicago (17e ed.) BronvermeldingLeigh, David. The Group Trainer's Handbook: Designing and Delivering Training for Groups. Third edition. London ; Philadelphia: Kogan Page, 2006.
MLA (8e ed.) BronvermeldingLeigh, David. The Group Trainer's Handbook: Designing and Delivering Training for Groups. Third edition. Kogan Page, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.