| title | ISBN-13 | year of publication |
|---|---|---|
| Building a Mail Order Business: A Complete Manual for Success | 978-0-471-10946-4 | 1996 |
| Drucker on Leadership: The Lost Lessons of the World's Greatest Leadership Expert | 978-0-470-40500-0 | 2009 |
| Entrepreneur and Small Business Problem Solver | 978-0-471-69283-6 | 2005 |
| The Entrepreneur and Small Business Problem Solver: Encyclopaedic Reference and Guide | 978-0-471-50124-4 | 1990 |
| The Marketing Plan | 978-0-471-75529-6 | 2006 |
A. P. · C.A. · C A P · C.P. · C. W. · Cohen William · W.A. · W.P. · William A. · William P.