Cairncross, Alec
Introduction of economics
Butterworth, 1960
 Buku Teks
Johnson, Alvin S.
Introduction to economics
Hearh & Co., 1911
 Buku Teks
Morgan, Theodore
Introduction to economics
Prentice-Hall, 1950
 Buku Teks
Slavin, Stephen
Introduction to economics
Richard D. Irwin, 1991
 Buku Teks
Friedman, Milton, 1912-2006
Essays in positive economics / Milton Friedman
The University of Chicago Press , 1953
 Buku Teks