| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Motivation and Leadership At Work | 978-0-07-061031-6 (0-07-061031-2) | 1996 | Richard Steers · Gregory Bigley |
| Motivation and Work Behavior | 978-0-07-248162-4 (0-07-248162-5) | 2002 | Gregory Bigley · Richard M Steers · Richard Steers |
Dr Lyman W Porter · L.P. · L. Porter · Lyman W. Porter · Professor Lyman Porter