APA aipamena

Roberts-Phelps, G. (2003). Training games-for trainers & sales managers. Infinity Books.

Chicago Style aipamena

Roberts-Phelps, Graham. Training Games-for Trainers & Sales Managers. New Delhi: Infinity Books, 2003.

MLA aipamena

Roberts-Phelps, Graham. Training Games-for Trainers & Sales Managers. Infinity Books, 2003.