| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Breaking the Sales Barrier: How to Develop Million Dollar Producers | 978-0-87218-397-1 | 2001 | Brian Jenkins |
| How To Get Your Competition Fired | 978-81-265-0771-9 | 2006 | |
| How to Get Your Competition Fired : Using The Wedge to Increase Your Sales | 978-0-471-70311-2 | 2005 | |
| Red Hot Introductions: A Revolutionary Approach to Leveraging Existing Relationships into New Business | 978-0-87218-603-3 | 2002 | |
| The Wedge for Financial Advisors | 978-0-87218-957-7 | 2008 | |
| The Wedge: How to Stop Selling and Start Winning | 978-0-87218-371-1 | 1998 | |
R. S. · Renata Schmidtkunz · Renata Sentkiewicz · Renate Schmetz · Renate Schmidgall · Renate Smithuis · Rendi Santoso