| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2014 | 978-0-9904941-0-2 | Steve Gordon | Unstoppable Referrals: 10x Referrals Half the Effort |
| 2018 | 978-0-9904941-1-9 | Steve Gordon | The Exponential Network Strategy: A Simple, Authentic Method for Multiplying Your Business Network |