Mansfield, Edwin
Economic problems : principles, problems, decisions
W.W. Norton, 1974
 Buku Teks SO
Mussey, Henry R.
Economic principles and modern practice / by Henry R. Mussey and Elizabeth Donnan
Ginn and Company, 1947
 Buku Teks
Mansfield, Edwin
Economics principles, problems, decisions
W.W. Norton, 1974
 Buku Teks SO
Boulding, Kenneth Ewart, 1910-1993
Economic analysis
Harper & Row, 1966
 Buku Teks SO
Robinson, Joan
Economic philosophy
C.A. Watts, 1962
 Buku Teks SO