Arch, D. (1993). Tricks for trainers: 57 more tricks and teasers guaranteed to add magic to your presentations. Resources for Organizations.
Citazione stile Chigago Style (17a edizione)Arch, Dave. Tricks for Trainers: 57 More Tricks and Teasers Guaranteed to Add Magic to Your Presentations. [Minneapolis, MN?]: Resources for Organizations, 1993.
Citatione MLA (9a ed.)Arch, Dave. Tricks for Trainers: 57 More Tricks and Teasers Guaranteed to Add Magic to Your Presentations. Resources for Organizations, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.