IT Audit, Control, and Security, Robert R. Moeller 
COSO Enterprise Risk Management. Establishing Effective Governance, Risk, and Compliance (GRC) Processes, Robert R. Moeller 
Executive′s Guide to IT Governance. Improving Systems Processes with Service Management, COBIT, and ITIL, Robert R. Moeller 
Executive′s Guide to COSO Internal Controls. Understanding and Implementing the New Framework, Robert R. Moeller