| title | media type | ISBN-13 | year of publica- tion | |
|---|---|---|---|---|
| Conscious Business: How to Build Value Through Values | Hardcover | 978-1-59179-517-9 | 2006 | |
| Conscious Business: How to Build Value Through Values | Audio CD | 978-1-59179-538-4 | 2006 | |
| Conscious Business: How to Build Value Through Values | Audio Cassette | 978-1-56455-931-9 | 2002 | |
| Meta-Management: Der neue Weg zu einer effektiven Führung | Gebundene Ausgabe | 978-3-89901-056-5 | 2005 |