Erlebt Robbie Williams live in Gelsenkirchen! (in de). rpr1.de / Rheinland-Pfälzische Rundfunk GmbH & Co. KG. Retrieved on 2012-12-13.No name, no license, "Bild: © wikipedia"
Veltins-Arena (in cs). tony66.blog.cz (2010-03-24). Retrieved on 2014-12-12.No name, no license