Gwartney, James D.
Economics : private and public choice
Harcourt Brace Jovanovich, 1990
 Buku Teks
Gwartney, James D.
Economics private and public choice
The Reyden Press, 2000
 Buku Teks
Gwartney, James D.
Economics private and public choice
Harcourt Brace Jovanovich, 1987
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Becker, William E.
A complement to choice an introduction to economics
Prentice-Hall, 1971
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Atkinson, Lloyd C.
Economics, the science of choice
Richard D. Irwin, 1982
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