1. ENISA: Cloud computing: benefits, risks and recommendations for information security.
www.enisa.europa.eu/act/rm/files/deliverables/cloud-computing-risk-assessment/at_download/fullReport/
2. Cloud Security Alliance (CSA):
http://www.cloudsecurityalliance.org/
3. Velte: Cloud Computing—A Practical Approach. Tata McGraw-Hill Edition (ISBN-13:978-0-07-068351-8)
4. Sosinsky, B.: Cloud Computing Bible. Wiley Publishing Inc. (ISBN 13:978-0470903568)
5. IDC: IDC ranking of issues of cloud computing model.
http://blogs.idc.com/ie/?p=730/