1. Article 29 Working Party. (2004). Opinion 10/2004 on more harmonised information provisions. Retrieved May 1, 2010, from http://ec.europa.eu/justice_home/fsj/privacy/docs/wpdocs/2004/wp100_en.pdf
2. Article 29 Working Party. (2009). Opinion 2/2009 on the protection of children's personal data (General guidelines and the special case of schools). Retrieved May 1, 2010, from http://ec.europa.eu/justice_home/fsj/privacy/docs/wpdocs/2009/wp160_en.pdf
3. Children's data protection vs marketing companies
4. Regulating Privacy
5. Burkell, J., Steeves, V., & Micheti, A. (2007). Broken doors: Strategies for drafting privacy policies kids can understand. Retrieved May 1, 2010, from http://www.idtrail.org/files/broken_doors_final_report.pdf