The National Security Personnel System and performance management in the federal government : hearing before the Oversight of Government Management, the Federal Workforce, and the District of Columbia Subcommittee of the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Eleventh Congress, second session, June 9, 2010.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010.