Foster, Wendy, author
John Wiley & Sons, 2013
Buku Teks
O`Hara, Liz.
IDG Books Worldwide,, 1999
Multimedia
Finkelstein, Ellen, author
IDG Books, 2000
Buku Referensi
IDG Books Worldwide, 1999
Multimedia
Leiden, Candace, author
IDG Books, 1997
Buku Teks