1. ISO/IEC Directives, Part1, Annex SL Proposals for Management System Standards, International Organization for Standardization, Geneva, 2014.
2. ISO Guide 73, Risk management – Vocabulary, International Organization for Standardization, Geneva, 2009.
3. ISO/IEC 27001: Information Technology – Security Techniques – Information Security Management Systems – Requirements, International Organization for Standardization, Geneva, 2013.
4. ISO/IEC 20000-1: Information Technology – Service Management – Part 1: Service Management System Requirements, International Organization for Standardization, Geneva, 2011.
5. ISO 9001: Quality Management Systems – Requirements, International Organization for Standardization, Geneva, 2015.