| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Moonshots: Creating a World of Abundance | 978-0-9997364-0-1 (0-9997364-0-X) | 2018 | |
| Selling Through Someone Else: How to Use Agile Sales Networks and Partners to Sell More | 978-1-118-49638-1 (1-118-49638-8) | 2013 | Robert Wollan · Michael Heald |