Gale Centre Publications · John Wiley & Sons
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Humanistic Approach to Psychotherapy | 978-1-86156-300-2 (1-86156-300-0) | 2003 |
| What is Transactional Analysis?: A Personal and Practical Guide | 978-1-870258-43-2 (1-870258-43-6) | 1997 |