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