Zdroje http://www.saferinternet.org http://www.safesurfingkids.com/warning_signs.htm http://www.video-game-addiction.org/ http://www.varianty.cz/download/pdf/texts_160.pdf http://news.bbc.co.uk/2/hi/technology/7746471.stm http://www.netaddiction.com/ http://www.helpguide.org/mental/internet_cybersex_addiction.htm http://www.helpforinternetaddictions.com/ http://www.wikipedia.org