| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Leading From Behind | 978-1-911498-90-2 (1-911498-90-8) | 2018 | Dirk Devos · Robert Lubberding |
| Leading From Behind: Turn anxiety into courage | 978-1-911498-94-0 (1-911498-94-0) | 2018 | Dirk Devos · Robert Lubberding |