| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1990 | 978-0-9625161-0-8 | Anthony J. Alessandra | People Smart: Powerful Techniques for Turning Every Encounter Into a Mutual Win |
| 1995 | 978-0-9625161-1-5 | Tony Alessandra · Anthony Alessandra | People Smart: Powerful Techniques for Turning Every Encounter into a Mutual Win |
| 1993 | 978-0-9625161-5-3 | Tony Alessandra · Rick Barrera | Collaborative Selling |