1. Quality management systems — Fundamentals and vocabulary (ISO 9000:2018)
2. Quality management systems – Requirements (ISO 9001:2015)
3. Quality management – Quality of an organization – Guidance to achieve sustained success (ISO 9004:2018)
4. EFQM Excellence Model. EFQM; 2010
5. EFQM Excellence Model. EFQM; 2013