APA-viite (7. p.)

Hughes, G. (1985). Payroll tax incidence, the direct tax burden, and the rate of return on state pension contributions in Ireland. Economic and Social Research Institute.

Chicago-viite (17. p.)

Hughes, Gerard. Payroll Tax Incidence, the Direct Tax Burden, and the Rate of Return on State Pension Contributions in Ireland. Dublin: Economic and Social Research Institute, 1985.

MLA-viite (9. p.)

Hughes, Gerard. Payroll Tax Incidence, the Direct Tax Burden, and the Rate of Return on State Pension Contributions in Ireland. Economic and Social Research Institute, 1985.