1. American Institute of Certified Public Accountants (AICPA). Core Competency Framework and Educational Competency Assessment. Accessed 27.06.12.
2. Business & professional ethics for directors, executives & accountants;Brooks,2010
3. Joint Committee on Taxation (2012). Description of revenue provisions contained in the president’s fiscal year 2013 Budget Proposal (JCS-2-12), June 2012, pp. 562–564.
4. In search of ethics: Conversations with men and women of character;Marrella,2001
5. Letter to Alberto Gonzales dated June 29;McCain,2006