1. International Organization for Standardization: ISO/IEC Guide 2:2004 Standardization and Related Activities – General Vocabulary 2004 ISO: Geneva.
2. International Organization for Standardization: ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories. ISO: Geneva, 2005.
3. International Organization for Standardization: ISO 15189:2007 Medical Laboratories – Particular Requirements for Quality and Competence. ISO: Geneva, 2007.
4. International Organization for Standardization: ISO 9001 Quality Management Systems – Requirements. ISO: Geneva, 2008.
5. IAF-ILAC-ISO/CASCO joint working group on image and integrity of conformity assessment Objectives and roles of ‘accreditation’ and ‘certification’ of laboratories. ISO: Geneva, 2002.