Cooper, G. (1979). A voluntary tax?: New perspectives on sophisticated estate tax avoidance (1. printing.). The Brookings Institution.
Chicago-Zitierstil (17. Ausg.)Cooper, George. A Voluntary Tax?: New Perspectives on Sophisticated Estate Tax Avoidance. 1. printing. Washington, DC: The Brookings Institution, 1979.
MLA-Zitierstil (9. Ausg.)Cooper, George. A Voluntary Tax?: New Perspectives on Sophisticated Estate Tax Avoidance. 1. printing. The Brookings Institution, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.