Stotsky, J., & WoldeMariam, A. (1997). Tax Effort in Sub-Saharan Africa. International Monetary Fund.
Chicago Style (17. basım) AtıfStotsky, Janet, ve Asegedech WoldeMariam. Tax Effort in Sub-Saharan Africa. Washington, D.C.: International Monetary Fund, 1997.
MLA (8th ed.) AtıfStotsky, Janet, ve Asegedech WoldeMariam. Tax Effort in Sub-Saharan Africa. International Monetary Fund, 1997.
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