1. ISO/IEC 17025:2005, General Requirements for the Competence of Testing and Calibration Laboratories, 2005.
2. EURACHEM Guide, The Fitness for Purpose of Analytical Methods. A Laboratory Guide to Method Validation and Related Topic, 1998.
3. W. J. Youden, E. H. Steiner, Statistical Manual of the Association of Official Analytical Chemist, AOAC International, USA, 1998, p. 33.
4. W. J. Youden, E. H. Steiner, Statistical Manual of the Association of Official Analytical Chemist, AOAC International, USA, 1998, p. 70; 82.
5. M. Catro, S. S. Gascon, Validación de métodos analíticos. Sección Catalana de A.E.F.I. Comisión de normas de buena fabricación y control de la calidad, Sept, 1989. p. 1.