Boulding, Kenneth Ewart, 1910-1993
John Wiley & Sons, 1950
Buku Teks
Kregel, J.A.
Macmillan, 1974
Buku Teks
Lipsey, Richard G.
Harper Collin, 1996
Buku Teks
Adreson, W. H. Locke
Prentice Hall of India, 1986
Buku Teks
Samuelson, Paul Anthony, 1915-2009
McGraw-Hill, 1992
Buku Teks