Cita APA (7th ed.)

Eissa, N., & Hoynes, H. W. (1998). The earned income tax credit and the labor supply of married couples. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Eissa, Nada, i Hilary Williamson Hoynes. The Earned Income Tax Credit and the Labor Supply of Married Couples. Cambridge: National Bureau of Economic Research, 1998.

Cita MLA (9th ed.)

Eissa, Nada, i Hilary Williamson Hoynes. The Earned Income Tax Credit and the Labor Supply of Married Couples. National Bureau of Economic Research, 1998.