IDG Books Worldwide, Inc., 1999
Buku Referensi
Poulter, Alan, author
Library Association, 1999
Buku Teks
Grimes, Galen A., author
QUE, 1996
Buku Teks
Deitel, Harvey M., 1945-, author
Prentice-Hall, 2004
Buku Teks
Deitel, Paul J., author
Pearson, 2012
Buku Teks