| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Professional Orientation To Counseling | 978-1-55959-051-8 (1-55959-051-3) | 1993 | Nicholas A. Vacc |
| Professional Orientation to Counseling | 978-1-56032-851-3 (1-56032-851-7) | 2000 | Nicholas Vacc |