Lua APA (7ú heag.)

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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