"Asuntol - Cattle, Goat, Sheep - anti lice, fleas, sucking flies and mite". vetcontact.com. http://www.vetcontact.com/en/art.php?a=52&t=
"A Review of Treatment Options for Control of Varroa Mite in New Zealand". biosecurity.govt.nz. Archived from the original on 2017-02-26. Retrieved 2008-08-28. https://web.archive.org/web/20170226141153/http://www.biosecurity.govt.nz/pests-diseases/animals/varroa/paper/varroa-treatment-options.htm#8
Johnson, Reed M.; Ellis, Marion D.; Mullin, Christopher A.; Frazier, Maryann (2010). "Pesticides and honey bee toxicity – USA" (PDF). Apidologie. 41 (3): 312. doi:10.1051/apido/2010018. S2CID 12927448. https://hal.archives-ouvertes.fr/hal-00892096/file/hal-00892096.pdf
"Coumaphos Review". www.apvma.gov.au. Archived from the original on August 29, 2008. https://web.archive.org/web/20080829185148/http://www.apvma.gov.au/chemrev/coumaphos.shtml
"Neonicotinoid pesticides 'damage brains of bees'". BBC News. 27 March 2013. https://www.bbc.co.uk/news/science-environment-21958547
40 C.F.R.: Appendix A to Part 355—The List of Extremely Hazardous Substances and Their Threshold Planning Quantities (PDF) (July 1, 2008 ed.), Government Printing Office, archived from the original (PDF) on February 25, 2012, retrieved October 29, 2011 https://web.archive.org/web/20120225051612/http://edocket.access.gpo.gov/cfr_2008/julqtr/pdf/40cfr355AppA.pdf