Leigh, D. (2006). The group trainer's handbook: Designing and delivering training for groups (Third edition.). Kogan Page.
Čikaški stil citiranja (17. izdanje)Leigh, David. The Group Trainer's Handbook: Designing and Delivering Training for Groups. Third edition. London ; Philadelphia: Kogan Page, 2006.
MLA način citiranja (8. izdanje)Leigh, David. The Group Trainer's Handbook: Designing and Delivering Training for Groups. Third edition. Kogan Page, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.