| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Learning in Relationship: Foundation for Personal and Professional Success | 978-1-887259-00-2 (1-887259-00-7) | 1999 |
| Learning in Relationship: Foundation for Personal and Professional Success | 978-1-887259-01-9 (1-887259-01-5) | 1998 |