McConnell, Campbell R., author
McGraww-Hill, 1966
Buku Teks
Kirzner, Israel M., author
D. Van Nostrand , 1960
Buku Teks
Peach, W. Nelson
Richard D. Irwin, 1955
Buku Teks
Taussig, F. W.
Macmillan, 1947
Buku Teks
McConnell, Campbell R., author
McGraw-Hill, 1966
Buku Teks