Lua APA (7ú heag.)

Frey, D. (2004). AutoCAD 2005 and AutoCAD LT 2005: No experience required. Sybex.

Lua i Stíl Chicago (17ú heag.)

Frey, David. AutoCAD 2005 and AutoCAD LT 2005: No Experience Required. San Francisco: Sybex, 2004.

Lua MLA (9ú heag.)

Frey, David. AutoCAD 2005 and AutoCAD LT 2005: No Experience Required. Sybex, 2004.

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