Joanne Kimberlin, Bill Sizemore.„Blackwater: New Horizons“. PilotOnline.com (2006-yil 28-iyul). 2012-yil 10-fevralda asl nusxadan arxivlangan. Qaraldi: 2010-yil 26-dekabr.
„アーカイブされたコピー“. 2010-yil 8-mayda asl nusxadan arxivlangan. Qaraldi: 2010-yil 8-may.
Human Rights First: Private Security Contractors at War: Ending the Culture of Impunity (2008)
Joanne Kimberlin, Bill Sizemore.„Blackwater: New Horizons“. PilotOnline.com (2006-yil 28-iyul). 2012-yil 10-fevralda asl nusxadan arxivlangan. Qaraldi: 2010-yil 26-dekabr.
„アーカイブされたコピー“. 2010-yil 8-mayda asl nusxadan arxivlangan. Qaraldi: 2010-yil 8-may.
Human Rights First: Private Security Contractors at War: Ending the Culture of Impunity (2008)