Cengage Learning · Wadsworth; Brooks/Cole
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Effective Helping: Interviewing and Counseling Techniques | 978-1-285-16159-4 (1-285-16159-9) | 2014 | Barbara F. Okun |
| Effective Helping: Interviewing and Counseling Techniques | 978-0-495-00625-1 (0-495-00625-4) | 2007 | " |