| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-0-9555204-0-2 | Ivan R. Misner | Marketing Zum Nulltarif: Mit Networking Und Empfehlungs Marketing Zu Neven Kunden |
| 2008 | 978-0-9555204-4-0 | Rob Brown | The BNI Networking Pocket Guide Superior Tips and Strategies to Network Productively and Confidently in All Situations |