Gladfelter, D. (2012). AutoCAD 2013 and AutoCAD LT 2013: No experience required. John Wiley & Sons, Inc..
Lua i Stíl Chicago (17ú heag.)Gladfelter, Donnie. AutoCAD 2013 and AutoCAD LT 2013: No Experience Required. Indianapolis: John Wiley & Sons, Inc., 2012.
Lua MLA (9ú heag.)Gladfelter, Donnie. AutoCAD 2013 and AutoCAD LT 2013: No Experience Required. John Wiley & Sons, Inc., 2012.
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