| 其他書名 | A Longitudinal Study of the Educational and Labor Market Experience of Male Youth |
| 出版 | U.S. Department of Labor, Employment and Training Administration., 1970 |
| URL | http://books.google.com.hk/books?id=AiGbVi1aFYoC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |