1. Anonymous. 2008a. Citrus summary 2006-2007. http://www.nass.usda.gov/Statistics_by_State/Florida/Publications/Citrus/cs/2006-07/CS0607all.pdf.
2. Anonymous. 2008b. Florida Agricultural Statistics Service. Map of citrus greening distribution as of May 2008. http://www.doacs.state.fl.us/pi/chrp/greening/StatewidePositiveHLBSections.pdf.
3. BovÉ J.M. 2006. Huanglongbing: a destructive, newly-emerging century-old disease of citrus. J. Plant Pathol. 88: 7–37.
4. Crowther J.R. 2001. The ELISA guidebook. Humana Press, Totowa, NJ.
5. French J.V. Kahlke C.J. Dagraca J.V. 2001. First record of the Asian citrus psyllid, Diaphorina citri Ku-wayama (Homoptera: Psyllidae), in Texas. Subtropical Plant Sci. 53: 14–15.