McCaffery, Edward J.
Fair not flat: how to make the tax system better and simpler
The University of-Chicago Press, 2002
 Buku Teks
Tillinghast, David R.
Tax aspects of international transactions
Matthew Bender, 1984
 Buku Teks
Seltzer, Lawrence Howard
The personal exemptions in the income tax
Columbia University Press, 1968
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Hall, Robert Ernest
Low tax, simple tax, flat tax
McGraww Hill, 1983
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Goode, Richard
The corporation income tax / Richard Goode
John Wiley & Sons, 1951
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