"Siemens PLM Software Redefines CAD/CAM/CAE Productivity and Product Development Decision Support with NX 7 Software: Siemens PLM Software".
Truy cập 5 tháng 10 năm 2015.  ^ “Siemens PLM Software Redefines CAD/CAM/CAE Productivity and Product Development Decision Support with NX 7 Software: Siemens PLM Software”.