Cengage Learning · South-Western College Publications
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Professional Selling: A Trust-Based Approach | 978-1-4390-4184-0 | 2009 | Thomas N. Ingram · Raymond W. LaForge · Ramon A. Avila · Michael R. Williams |
| Professional Selling: A Trust-Based Approach | 978-0-324-53809-0 | 2007 | Thomas N. Ingram · Raymond W. LaForge · Ramon A. Avila · Michael R. Williams |
| Professional Selling: A Trust-Based Approach | 978-0-324-32103-6 | 2005 | Thomas N. Ingram · Raymond W. LaForge · Ramon A. Avila · Michael R. Williams |
| Professional Selling: A Trust-Based Approach | 978-0-324-19111-0 | 2003 | Thomas N. Ingram · Raymond W. LaForge · Ramon A. Avila · Michael R. Williams |
| Sales Management: Analysis and Decision Making | 978-0-324-32105-0 | 2005 | Thomas N. Ingram · Raymond W. LaForge · Ramon A. Avila · Michael R. Williams |
| Sales Management: Analysis and Decision Making | 978-0-324-19108-0 | 2003 | Thomas N. Ingram · Raymond W. LaForge · Ramon A. Avila · Michael R. Williams |
| SELL | 978-1-111-52823-2 | 2011 | Thomas N. Ingram · Raymond W. LaForge · Ramon A. Avila · Michael R. Williams |
| SELL | 978-0-538-74878-0 | 2010 | Thomas N. Ingram · Raymond W. LaForge · Ramon A. Avila · Michael R. Williams |
C.H. · C.S. · Charles H. · Charles H. Schwepker · Charles H. Schwepker Jr. · Charles S. · H.S. · J C · J.C.H. · J. Charles · J. H. · J. S.