1. International Organization for Standardization, ISO 9001:2000 Quality Management Systems—Requirements, International Organization for Standardization, Geneva, 2000.
2. International Organization for Standardization, The ISO Survey of ISO 9000 and ISO 14000 Certificates, 10th Cycle 2000, International Organization for Standardization, Geneva, 2001.
3. Quality at the crossroads;Seddon;Quality World,1998
4. Integration of quality and environmental management systems;Karapetrovic;The TQM Magazine,1998
5. A methodological perspective-integration;Jonker;Quality World,1998