"Brasilianischer Verteidiger zum GC" [Brazilian defender to GC] (in German). Grasshopper's official website. 1 July 2011. Archived from the original on 31 December 2014. Retrieved 21 November 2013.
"Brasilianischer Verteidiger zum GC" [Brazilian defender to GC] (in German). Grasshopper's official website. 1 July 2011. Archived from the original on 31 December 2014. Retrieved 21 November 2013.