| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Working with Relationship Triangles: One-Two-Three of Psychotherapy, The | 978-1-57230-143-6 (1-57230-143-0) | 1996 | Philip J. Guerin Jr. · Leo F. Fay · Judith Gilbert Kautto |
| Working with Relationship Triangles: The One-Two-Three of Psychotherapy | 978-1-60623-917-9 (1-60623-917-1) | 2010 | Philip J. Guerin Jr. · Leo F. Fay · Judith Gilbert Kautto |