D,. H.. · Dein Halbjahreskalender · Diane Hallfiegel
Morgan James Publishing · Sales Gravy Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Lemonade Stand Selling: Accelerate Your Small Business Growth | 978-0-9818004-6-2 (0-9818004-6-7) | 2010 |
| Succeed Without Selling: The More You Think About Selling, the Less You Will Sell | 978-1-64279-992-7 (1-64279-992-0) | 2020 |