Schiller, Bradley R.
The economy today/Bradley R. Schiller
McGraw-Hill , 1997
 Buku Teks SO
Schiller, Bradley R.
The Economy today/ Bradley R. Schiller
Random House of Canada, 1980
 Buku Teks SO
Schiller, Bradley R.
The Economy / Bradley R. Schiller
Prentica-Hall , 1975
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Daugherty, Carroll R.
Principles of political economy / Carroll R. Daugherty and Marion R. Daugherty
Houghton Miffiln, 1950
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McKenna, John R.
Readings in introductory economics/ John R. McKenna and Ronald A. Wykstra
Harper and Row , 1971
 Buku Teks SO