Grabowski, R. (2004). Using autocad 2004 advanced. New York: Autodesk.
Trích dẫn kiểu ChicagoGrabowski, Ralph. Using Autocad 2004 Advanced. New York: Autodesk, 2004.
Deismireacht MLAGrabowski, Ralph. Using Autocad 2004 Advanced. New York: Autodesk, 2004.
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