Zdroje

https://sk.wikipedia.org/wiki/Po%C4%8D%C3%ADta%C4%8Dov%C3%A1_kriminalita
https://sk.wikipedia.org/wiki/Po%C4%8D%C3%ADta%C4%8Dov%C3%BD_v%C3%ADrus
https://www.google.sk/imghp?hl=sk&tab=wi&ei=HLJ0VI24D_Gp7AbvzID4BQ&ved=0CAQQqi4oAg