| 其他書名 | A Pilot Demonstration Project, U.S. Department of Labor, 1974-1977 : Supplemental Appendix |
| 出版 | Department of Labor, Chicago Construction Coordinating Committee, 1977 |
| URL | http://books.google.com.hk/books?id=lMQuw_5DHOkC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |