| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Making Self-Employment Work for People With Disabilities | 978-1-55766-652-9 (1-55766-652-0) | 2003 | David Hammis |
| The Job Developer's Handbook | 978-1-55766-863-9 (1-55766-863-9) | 2007 | David Hammis ยท Tammara Geary |