Stout, Rick, author
McGraw-Hill, 1996
Buku Referensi
Grimes, Galen A., author
QUE, 1996
Buku Teks SO
Abraham, Ralph, author
Telos , 1995
Buku Teks SO
Deitel, Harvey M., 1945-, author
Prentice-Hall, 2004
Buku Teks
Deitel, Paul J., author
Pearson, 2012
Buku Teks