Southerton, Alan
John Wiley & Sons, 1994
Buku Referensi
Beer, Gernot, author
Springer, 2008
Buku Teks
O`Hara, Liz.
IDG Books Worldwide,, 1999
Multimedia
Kerrisk, Michael, author
No Starch Press, 2010
Buku Teks
Beck, Leland L., author
Addison-Wesley, 1985
Buku Teks