1ISO/DIS9000:2000 Quality management system-fundamental principles and terms[S].Switzerland:International Organization for Standardization,2000.
2IT Governance Institute.COBIT executive summary[S].3rd ed.Information Systems Audit and Control Foundation,2000.[2009-07-03].httpJ/www,tcontas,pt/eurosai/lisboa_ etc seminar/Documents/Cobit/executive % 20Summary.pdf.