Hansen, Mark Victor, author
Gramedia Pustaka Utama, 2006
Buku Teks
Cossman, Joe
Prenhallindo , 1997
Buku Teks
Clements, Phil, author
Erlangga, 2001
Buku Teks
Tracy, Brian, author
Elex Media Komputindo, 2009
Buku Teks
Heinecke, William, author
Murai Kencana, 2003
Buku Teks