1. Worldwatch Institute, Vital Sings 2006–2007: The Trends that Are Shaping Our Future, 2006.
2. US EPA, Pesticides: Health and Safety, 2007, http://www.epa.gov/pesticides/food/risks.htm.
3. Council Directives (EC) 396/2005 concerning maximum residue levels of pesticides in or on food and feed of plant and animal origin, 178/2006 listing the food and feed products to which maximum levels for pesticide residues apply (Annex I) and 396/2005 setting maximum residue levels for products covered by Annex I. Annex II, III, IV.
4. Pesticide EU-MRLs Database, http://ec.europa.eu/sanco_pesticides/public/index.cfm.
5. Analysis of pesticides in fruits by pressurized liquid extraction and liquid chromatography–ion trap–triple stage mass spectrometry