1. Knight, C., Stanley, R., & Jones, L. (2002). Agriculture in the food supply chain: an overview Key Topics in Food Science and Technology, No. 5. Campden and Chorleywood Food Research Association Group.
2. Campden and Chorleywood Food Research Association Group (CCFRA) (2003). HACCP: Guideline No. 42, A Practical Guide (3rd ed.).
3. European Community (2002). Regulation (EC) No. 178/2002 of the European Parliament and of the Council: laying down the general principals and requirements of food law, establishing the European Food Safety Authority and laying down procedures in matters of food safety.