Cooper, G. (1979). A voluntary taxn: New perspectives on sophisticated estate tax avoidance. Brookings Institution.
Cita Chicago (17th ed.)Cooper, George. A Voluntary Taxn: New Perspectives on Sophisticated Estate Tax Avoidance. Washington, D.C: Brookings Institution, 1979.
Cita MLA (9th ed.)Cooper, George. A Voluntary Taxn: New Perspectives on Sophisticated Estate Tax Avoidance. Brookings Institution, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.