Müller, Eva; Canibol, Hans-Peter (23 November 1998). "Die Spaßmaschine". Focus (in German). Archived from the original on 6 December 2018.{{cite web}}: CS1 maint: multiple names: authors list (link)
"VUD Sales Awards: November 2002" (Press release) (in German). Verband der Unterhaltungssoftware Deutschland. Archived from the original on 10 January 2003. Retrieved 21 February 2021.
"VUD Sales Awards: November 2002" (Press release) (in German). Verband der Unterhaltungssoftware Deutschland. Archived from the original on 10 January 2003. Retrieved 21 February 2021.
Müller, Eva; Canibol, Hans-Peter (23 November 1998). "Die Spaßmaschine". Focus (in German). Archived from the original on 6 December 2018.{{cite web}}: CS1 maint: multiple names: authors list (link)