"Bochum holt einen Japaner" [Bochum sign a Japanese player] (in German). Deutsche Fussball Liga. 28 July 2011. Archived from the original on 31 August 2011. Retrieved 28 July 2011.{{cite web}}: CS1 maint: unrecognized language (link)
"Bochum holt einen Japaner" [Bochum sign a Japanese player] (in German). Deutsche Fussball Liga. 28 July 2011. Archived from the original on 31 August 2011. Retrieved 28 July 2011.{{cite web}}: CS1 maint: unrecognized language (link)