5ASOSAI. Guidelines on Audit QualiW Management Systems [D/OL].[2004-12].
6Contact Committee of Heads of EU SAIs. Guidelines on Audit Quality [D/OL].[2004- 12-7].
7GAO. Quality Management: Scoping Study [D/OL]. [1991-1].
8GAO. An Audit Quality Control System: Essential Elements [D/OL]. [1993-8].
9IFAC. ISQC1 Quality Control for Firms that Perform Audits and Reviews of Historical Financial Information ,and Other Assurance and Related Services Engagements. 2006-6-15.