Chapra, Steven C., author
McGraw-Hill, 2010
Buku Teks
Bethea, Robert M., author
Marcel Dekker, 1985
Buku Teks
Michael S. Lewis-Beck, editor
Sage Publications, Topan Publishing, 1993
Buku Referensi
Bender, Carl M., author
McGraw-Hill, 1978
Buku Teks
Davis, Mark E., author
John Wiley & Sons, 1984
Buku Teks