| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Person-in-Environment System Manual, 2nd Edition | 978-0-87101-379-8 (0-87101-379-7) | 2008 | Maura O'Keefe |
| Person-in-Environment System: The PIE Classification System for Social Functioning Problems | 978-0-87101-240-1 (0-87101-240-5) | 1994 | Karin E. Wandrei |
| Person-in-Environment System: The PIE Classification System for Social Functioning Problems - Manual | 978-0-87101-254-8 (0-87101-254-5) | 1994 | " |