| 其他書名 | Hearings Before the United States House Committee on Ways and Means, Ninety-First Congress, First Session, on Apr. 23, 24, 1969 |
| 出版 | U.S. Government Printing Office, 1969 |
| URL | http://books.google.com.hk/books?id=KdjY2QEwHwIC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |