| 其他書名 | Hearing Before the Subcommittee on Labor and Subcommittee on Children, Family, Drugs and Alcoholism of the Committee on Labor and Human Resources, United States Senate, One Hundred First Congress, Second Session on S. 2548 ... May 8, 1990 |
| 出版 | U.S. Government Printing Office, 1990 |
| URL | http://books.google.com.hk/books?id=4W5JJxAwnHMC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |