Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Tata McGraw-Hill, 1970
Buku Teks
Atkinson, Lloyd C., author
Richard D. Irwin, 1982
Buku Teks
Kohler, Heinz, author
Dryden Press, 1970
Buku Teks
Lipsey, Richard G., 1928-, author
Harper Collin, 1996
Buku Teks
Adreson, W. H. Locke, author
Prentice Hall of India, 1986
Buku Teks