Eissa, N., & Hoynes, H. W. (1998). The earned income tax credit and the labor supply of married couples. National Bureau of Economic Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Eissa, Nada, و Hilary Williamson Hoynes. The Earned Income Tax Credit and the Labor Supply of Married Couples. Cambridge: National Bureau of Economic Research, 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Eissa, Nada, و Hilary Williamson Hoynes. The Earned Income Tax Credit and the Labor Supply of Married Couples. National Bureau of Economic Research, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.