• ISO Guide 30: 1992 - Terms and definitions used in connection with reference materials
• ISO Guide 31: 1996 - Contents of certificates of reference materials
• ISO Guide 34: 1996 - Quality system guidelines for the production of reference materials
• ISO Guide 33: 1989 - Uses of certified reference materials
• ISO Guide 35: 1989 - Certification of reference materials – General and statistical principles
• ISO Guide 17025 - Certification of reference materials, general and statistical principles

The above publications are available from:

• ISO Central Secretariat
• Case Postale 56
• CH-1211 Genève 20
• Switzerland

• EUROCHEM/CITAC Guide - Quantifying Uncertainty in Analytical Measurement – Second Edition
• ASTM Guide D6362-98 - Standard Practise for Certificates of Reference Materials for Water Analysis
• NIST Technical Note 1297 - Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results
• ILAC- G12-2000 - Guidelines for the Requirements for the Competence of Reference Materials Producers