Mansfield, Edwin
Economic problems : principles, problems, decisions
W.W. Norton, 1974
 Buku Teks SO
Meade, James E.
Problems of economic union
University of Chicago Press, 1953
 Buku Teks
Kiekhofer, William H.
Economic principles, problems, and policies
D. Appleton Century, 1946
 Buku Teks SO
Bye, Raymond T.
Applied economics : the application of economic principles to the problems of economic life
Appleton-Century-Crofts, 1947
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Bish, Robert L.
Economic principles and urban problems
Prentice-Hall, 1974
 Buku Teks SO