Hoffman, S. D., & Seidman, L. S. (1990). The earned income tax credit: Antipoverty effectiveness and labour market effects. W.E. Upjohn Institute for Employment Research.
Цитирование в стиле Чикаго (17-е изд.)Hoffman, Saul D., и Laurence S. Seidman. The Earned Income Tax Credit: Antipoverty Effectiveness and Labour Market Effects. Kalamazoo, Mich: W.E. Upjohn Institute for Employment Research, 1990.
Цитирование MLA (9-е изд.)Hoffman, Saul D., и Laurence S. Seidman. The Earned Income Tax Credit: Antipoverty Effectiveness and Labour Market Effects. W.E. Upjohn Institute for Employment Research, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.