Halm, George N.
Economic systems : a comparative analysis
Feffer and Simons, 1971
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Blodgett, Ralp H.
Comparative economic systems
Macmillan, 1949
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Gregory, Paul R.
Comparative economic systems
Hougton Mifflin, 1985
Buku Teks
Gregory, Paul R.
Comparative economic systems
Houghton Mifflin , 1992
Buku Teks SO
Comparative economic systems/ Edited by: Morris
Richard D. Irwin, 1985
Buku Teks SO