Wissenschaftliche Gesellschaft für Produktionstechnik & WGP-Jahreskongress. (2014). WGP Congress 2012: Progress in production engineering : selected, peer reviewed papers from the 2012 WGP Congress, June 27-28, 2012, Berlin, Germany. TTP.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Wissenschaftliche Gesellschaft für Produktionstechnik và WGP-Jahreskongress. WGP Congress 2012: Progress in Production Engineering : Selected, Peer Reviewed Papers from the 2012 WGP Congress, June 27-28, 2012, Berlin, Germany. Dürnten, Switzerland ; Zurich, Switzerland: TTP, 2014.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Wissenschaftliche Gesellschaft für Produktionstechnik và WGP-Jahreskongress. WGP Congress 2012: Progress in Production Engineering : Selected, Peer Reviewed Papers from the 2012 WGP Congress, June 27-28, 2012, Berlin, Germany. TTP, 2014.