The effects of misclassifying workers as independent contractors : joint hearing before the Subcommittee on Income Security and Family Support and the Subcommittee on Select Revenue Measures of the Committee on Ways and Means, U.S. House of Representatives, One Hundred Tenth Congress, first session, May 8, 2007.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008.