Omura, G. (2007). Mastering AutoCAD 2008 and AutoCAD LT 2008. Wiley Publishing, Inc.
Lua i Stíl Chicago (17ú heag.)Omura, George. Mastering AutoCAD 2008 and AutoCAD LT 2008. Indianapolis, Indiana: Wiley Publishing, Inc, 2007.
Lua MLA (9ú heag.)Omura, George. Mastering AutoCAD 2008 and AutoCAD LT 2008. Wiley Publishing, Inc, 2007.
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