| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Developing Gestalt Counselling | 978-0-8039-7861-4 (0-8039-7861-8) | 1997 | |
| Fritz Perls | 978-0-8039-8453-0 (0-8039-8453-7) | 1993 | Professor Petruska Clarkson |
J.M. · Jennifer M. · Jennifer Mackewn · M J · M M