| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| Geh nie alleine essen! und andere Geheimnisse rund um Networking und Erfolg | Gebundene Ausgabe | 978-3-938350-21-8 (3-938350-21-0) | 2007 | Keith Ferrazzi | |
| Never Eat Alone: And Other Secrets to Success, One Relationship at a Time | Hardcover | 978-0-385-51205-3 (0-385-51205-8) | 2005 | " | |
| Never Eat Alone: And Other Secrets to Success, One Relationship at a Time | Audio CD | 978-1-4193-5982-8 (1-4193-5982-7) | 2005 | " |