Enke, Stephen
Intermediate economic theory
Prentice-Hall, 1951
 Buku Teks SO
Mehta, J.K.
Lectures on modern economic theory
Caitanya Publishing House, 1967
 Buku Teks
Dewett, Kewal Krishan
Refresher course in economic theory
Premier Publishing, 1969
 Buku Teks SO
Stonier, Alfred W.
A textbook of economic theory
Longman Group Limited, 1980
 Buku Teks SO
Surveys of economic theory: money, interest, and welfare
by H.G. Johnson... [and others]
Macmillan, 1968
 Buku Teks