Pritchard, Leleand J.
Hougton Mifflin Company, 1958
Buku Teks
Culbertson, John M.
McGraw-Hill, 1972
Buku Teks
Mishkin, Frederick S., author
Addison-Wesley, 1997
Buku Teks
edited by Deane Carson
Wiley, 1966
Buku Teks
edited by Deane Carson
Wiley, 1972
Buku Teks