United States. Congress. Senate. Committee on the Judiciary. Subcommittee on Immigration and Refugee Affairs. (1992). Options for an improved employment verification system: A staff report. Washington: U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office.

United States. Congress. Senate. Committee on the Judiciary. Subcommittee on Immigration and Refugee Affairs. Options for an Improved Employment Verification System: A Staff Report. Washington: U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1992.

United States. Congress. Senate. Committee on the Judiciary. Subcommittee on Immigration and Refugee Affairs. Options for an Improved Employment Verification System: A Staff Report. Washington: U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1992.