Rose Kenneth H, author
J.ross Publishing, 2005
Buku Teks
Barker, Stephen, author
Pearson, 2012
Buku Teks
Chin, Gary, author
[American Management Association, ], 2004
eBooks
Lock, Dennis, author
Gower, 2003
Buku Teks
Vicky Permana, author
Fakultas Ilmu Komputer Universitas Indonesia, 2016
UI - Tugas Akhir