Παραπομπή APA

Cooper, G. (1979). A voluntary tax: New perspectives on sophisticated estate tax avoidance. Washington: Brookings Institution.

Παραπομπή Chicago Style

Cooper, George. A Voluntary Tax: New Perspectives On Sophisticated Estate Tax Avoidance. Washington: Brookings Institution, 1979.

Παραπομπή MLA

Cooper, George. A Voluntary Tax: New Perspectives On Sophisticated Estate Tax Avoidance. Washington: Brookings Institution, 1979.

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