Burch, John G., author
John Wiley & Sons, [date of publication not identified]
Buku Teks
O`Brien, James A., 1936-, author
Salemba Empat, 2005
Buku Teks
Kroenke, David M., 1946-, author
McGraw-Hill, 1994
Buku Teks
Alter, Steven
Addison-Wesley, 1992
Buku Teks
Laudon, Kenneth C., 1944-, author
Prentice-Hall, 2002
Buku Teks