edited by Robert Z. Aliber
Macmillan, 1977
Buku Teks SO
Directorate of Economic Research and Monetary Policy, Bank Indonesia, 2019
Majalah, Jurnal, Buletin
Fisher, Douglas
Richard D. Irwin , 1980
Buku Teks SO
Kreps, Cliften H.
Ronald Press, 1967
Buku Teks SO
Woodworth, George Walter
McGraw-Hill, 1950
Buku Teks