Zimmerer, Thomas W., author
Prentice-Hall, 2002
Buku Teks
Vaughan, Emmett J., author
John Wiley & Sons, 1992
Buku Teks
Editor L. Fleming Fallon, Eric J. Zgodzinski
Jones and Barlett Publ., 2005
Buku Teks
Laudon, Kenneth C., 1944-, author
Prentice-Hall, 1999
Buku Teks
Jones, Gareth R., author
McGraw-Hill, 2007
Buku Teks