Haag, Stephen, author
McGraw-Hill, 2004
Buku Teks
Haag, Stephen, author
Irwin McGraw-Hill, 1998
Buku Referensi
McLeod, Raymond, author
Prentice-Hall, 2001
Buku Teks
Kroenke, David M., 1946-, author
McGraw-Hill, 1994
Buku Teks
Laudon, Kenneth C., 1944-, author
Prentice-Hall, 2002
Buku Teks