Angel, Edward, author
Addison-Wesley, 1997
Buku Teks
Abrami, Philip C., author
Allyn and Bacon, 2001
Buku Teks
Cohen, David
Thomson, 2006
Multimedia
Croft, Anthony, author
Prentice - Hall , 1999
Buku Teks
Angel, Edward, author
Pearson, 2009
Buku Teks