1. 1) Agency for Toxic Substances and Disease Registry, Toxicological profile for diethyl phthalate, 1995:〈http://www.atsdr.cdc.gov/toxprofiles/tp73.pdf〉, cited 30 July 2013.
2. 2) Agency for Toxic Substances and Disease Registry, Toxicological profile for di-n-butyl phthalate, 2001:〈http://www.atsdr.cdc.gov/toxprofiles/tp135.pdf〉, cited 30 July 2013.
3. 3) Agency for Toxic Substances and Disease Registry, Toxicological profile for di (2-ethylhexyl)phthalate, 2002:〈http://www.atsdr.cdc.gov/toxprofiles/tp9.pdf〉, cited 30 July 2013.
4. 4) Agency for Toxic Substances and Disease Registry, Toxicological profile for di-n-octylphthalate, 1997: 〈http://www.atsdr.cdc.gov/toxprofiles/tp95.pdf〉, cited 30 July 2013.
5. 5) Consumer Product Safety Improvement Act of 2008. Public Law 110-314, 2008: 〈http://www.cpsc.gov/cpsia.pdf〉, U.S. Consumer Product Safety Commision Web, cited 21 November, 2013.