| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| PSI/unit mastery workbook | 978-0-13-734269-3 (0-13-734269-1) | 1979 |
| Psychology an Introduction: Study Guide and Workbook | 978-0-13-734443-7 (0-13-734443-0) | 1985 |
G.W. · G. Watkins · J. G. · J. W. · J Watkins · Jay Garfield