| 其他書名 | Prepared for the Committee on Education and Labor, U.S. House of Representatives, One Hundred First Congress, Second Session |
| 出版 | U.S. Government Printing Office, 1990 |
| URL | http://books.google.com.hk/books?id=_-3Qf6DKVEwC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |