1. World Health Organization. Food safety and foodborne illness. Fact Sheet No. 237. Geneva: WHO, 2007.
2. Mariott NG, Gravani RB. Principles of food sanitation. New York, Springer Science + Business Media, 2006.
3. Clinical and Laboratory Standards Institute. Performance standards for antimicrobial susceptibility testing; Seventeenth Informational Supplement. CLSI document M100-S17 (ISBN 156238-625-5). Wayne, Pennsylvania: CLSI, 2007.