| 其他書名 | A Study of Data Systems on Individuals Maintained by Agencies of the United States Government, Ninety-third Congress, Second Session |
| 出版 | U.S. Government Printing Office, 1974 |
| URL | http://books.google.com.hk/books?id=bRpLK6aMXw8C&hl=&source=gbs_api |