Hoffman, S. D. (2003). Helping working families: The earned income tax credit. W.E. Upjohn Institute for Employment Research.
Chicago-Zitierstil (17. Ausg.)Hoffman, Saul D. Helping Working Families: The Earned Income Tax Credit. Kalamazoo, Mich: W.E. Upjohn Institute for Employment Research, 2003.
MLA-Zitierstil (9. Ausg.)Hoffman, Saul D. Helping Working Families: The Earned Income Tax Credit. W.E. Upjohn Institute for Employment Research, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.