1. Directive 2002/96/WE Parlamentu Europejskiego of 27 01 2003
2. Directive 2003/108/WE Parlamentu Europejskiego of 08 12 2003
3. Directive 2008/35/WE Parlamentu Europejskiego of 11 03 2008
4. Restrictions on the use of certain hazardous substances (RoHS) in electronic devices.
https://www.dtsc.ca.gov/HazardousWaste/RoHS.cfm
. Accessed 25 Dec 2016.
5. Management methods for restriction of the use of hazardous substances in electrical and E. products.
http://www.chinarohs.com
. Accessed 25 Dec 2016.