1. Aid Christian .Behind the Mask. The Real Face of CSR. http://www.christianaid.org.uk
2. The Economist. 2002 . 'For whom the Liberty Bell tolls '.The Economist, 31 August 2002, 19 -21 .
3. The Economist. 2004 . 'The auditing industry still needs more reform '.The Economist, 20 November 2004, 17.
4. The Economist. 2005 . 'Torturing Alberto '.The Economist, 22 January 2005, 48.