* Steve Holt. "The Earned Income Tax Credit at Age 30: What We Know" [http://www.brookings.edu/reports/2006/02childrenfamilies_holt.aspx (The Brookings Institution, 2006) online] | * Steve Holt. "The Earned Income Tax Credit at Age 30: What We Know" [http://www.brookings.edu/reports/2006/02childrenfamilies_holt.aspx (The Brookings Institution, 2006) online] |