| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Experience marketing. CD Audio | 978-88-88860-25-1 (88-88860-25-8) | 2011 |
| Kaizen e coaching internazionale. CD Audio | 978-88-88860-19-0 (88-88860-19-3) | 2011 |
| Leadership motivazionale. CD Audio | 978-88-88860-26-8 (88-88860-26-6) | 2011 |