| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Introduction to Marketing Concepts | 978-0-7506-5995-6 | 2005 | John Ensor |
| Strategic Marketing: Planning and Control | 978-0-7506-5236-0 | 2001 | John Ensor · Ruth Ashford |
| Strategic Marketing Planning and Control | 978-0-7506-4482-2 | 1999 | John Ensor |
| Strategic Marketing Planning and Control: Plannning and Control | 978-0-7506-8271-8 | 2007 | " |