Ritter, Scott
Iraq confidential : the untold story of America's intelligent conspiracy
IB Tauris, 2005
 Buku Teks
Horthy, Miklós nagybányai
The confidential papers of Admiral Horthy / Miklos nagybanyai Horthy.
Corvina Press, 1965
 Buku Teks SO
Earnest, Peter
Business confidential: lessons for corporate success from inside the CIA
American Management Association, 2011
 eBooks
Arul Khun (Michael Firewall)
Conspiracy agent
Momentum , 2007
 Buku Teks SO
Lee, Grossman
The change agent
Amacom, 1974
 Buku Teks