| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Who's Not Working and Why: Employment, Cognitive Skills, Wages, and the Changing U.S. Labor Market | Printed Access Code | 978-0-511-66475-5 (0-511-66475-3) | 2010 | Frederic L. Pryor |
| Who's Not Working and Why: Employment, Cognitive Skills, Wages, and the Changing U.S. Labor Market | Hardcover | 978-0-521-65152-3 (0-521-65152-2) | 1999 | " |
D S · David L. · David S. · David Schaffer · L.S. · L. Schaffer