Ben-Chai, David, author
Sense, 2012
eBooks
Beckmann, Sybilla, author
Pearson Addison Wesley, 2008
Buku Teks
Bennett, Albert B., author
McGraw-Hill , 2001
Buku Teks
Musser, Gary L., author
John Wiley & Sons, 2006
Buku Teks
Krause, Eugene F.
Prentice-Hall, 1978
Buku Teks