Sykes, T. S. (2010). 3D Autocad 2011: One step at a time. Forager.
Chicago Style aipamenaSykes, Timothy Sean. 3D Autocad 2011: One Step at a Time. Spring, Texas: Forager, 2010.
MLA aipamenaSykes, Timothy Sean. 3D Autocad 2011: One Step at a Time. Forager, 2010.
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