1. Health Canada 2009 http://www.pmra-arla.gc.ca/english/appregis/appregis-e.html
2. Health Canada Re-evaluation Decision: (2,4-Dichlorophenoxy) Acetic Acid [2,4-D] 2008 http://www.hc-sc.gc.ca/cps-spc/pubs/pest/_decisions/rvd2008-11
3. Government of Alberta: Environment Alberta Bans Fertilizer-Herbicide Combination Products 2010 http://www.environment.alberta.ca/3613.html
4. The “mouse that roared”: Agenda setting in Canadian pesticides politics;Pralle;Policy Studies Journal,2006
5. Town of Hudson 1991 http://www.ville.hudson.qc.ca/urban/R%E8glements/Anglais/PesticidesOperational.pdf