| title | ISBN-13 | year of publica- tion | other author(s) | 
|---|---|---|---|
| Collaborative Selling: How to Gain the Competitive Advantage in Sales | 978-1-933596-44-0 | 2006 | Rick Barrera | 
| People Smart in Business: Using the Disc Behavioral Styles Model to Turn Every Business Encounter Into a Mutual Win | 978-1-933596-61-7 | 2006 | Michael J O'Connor Ph.D. | 
| People Smart with Family, Friends & Significant Others: Using the Disc Behavioral Styles Model to Turn Every Personal Encounter Into a Mutual Win | 978-1-933596-45-7 | 2006 | " | 
| The Platinum Rule for Sales Mastery: How to Adapt Your Selling Style to Match Every Prospect's Buying Style | 978-1-933596-89-1 | 2006 | Scott Michael Zimmerman · Joseph Lalopa | 
| The Platinum Rule for Small Business Mastery | 978-1-60037-033-5 | 2007 | Ronald Finklestein · Scott Michael Zimmerman | 
| The Platinum Rule for Trade Show Mastery: The Expert Exhibitor's Guide to Profit-Producing Trade Shows and Corporate Events | 978-1-60037-329-9 | 2007 | Steve Underation · Scott Michael Zimmerman | 
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