1. Joint Committee for Guides in Metrology JCGM 200. International Vocabulary of Metrology – Basic and General Concepts and Associated Terms (VIM), 2012 BIPM, Sèvres.
2. International Organization for Standardization ISO Guide 30. Reference Materials – Selected Terms and Definitions 2015, Geneva.
3. International Organization for Standardization 3534-1:2006. Statistics – Vocabulary and Symbols – Part 1: General Statistical Terms and Terms Used in Probability, ISO, Geneva (2006).
4. International Organization for Standardization 3534-2:2006. Statistics – Vocabulary and Symbols – Part 2: Applied statistics, ISO, Geneva (2006).
5. International Organization for Standardization ISO 3534-3:2013. Statistics – Vocabulary and Symbols – Part 3: Design of Experiments, ISO, Geneva, Switzerland (2013).