Interpretation of criteria for approval of active substances in the proposed EU plant protection regulation [online]. Swedish Chemicals Agency (KemI), 2008-09-23 [cit. 2009-01-14]. Dostupné v archivu pořízeném dne 2009-01-01. (english)
MEPs approve pesticides legislation [online]. 2009-01-13 [cit. 2009-01-14]. Dostupné v archivu pořízeném dne 2009-01-25. (english)
urbanentomology.tamu.edu [online]. [cit. 19-07-2010]. Dostupné v archivu pořízeném dne 14-07-2007.