1. Berlingske Tidende with reference to Gallup analyseinstitut Tattoverings-boom blandt unge danskere 2010 http://www.berlingske.dk/danmark/tatoverings-boom-blandt-unge-danskere
2. MetroExpress with reference to YouGov Zaperas danmarkspanel. Er du også skraemt over tatoveringer? 2010 http://www.metroxpress.dk/dk/article/2009/09/15/20/5026-83/index.xml
3. Serup J Department of Dermatology, Copenhagen University Hospital 2010
4. Tattoos and body piercings in the United States: a national data set;Laumann;J Am Acad Dermatol,2006
5. Council of Europe Com Resolution ResAP(2003)2 on tattoos and permanent make-up 2003 https://wcd.coe.int/wcd/ViewDoc.jsp?id=45869