Lua APA (7ú heag.)

Bethune, J. D. (2008). Engineering graphics with AutoCAD 2008. Pearson Prentice Hall.

Lua i Stíl Chicago (17ú heag.)

Bethune, James D. Engineering Graphics with AutoCAD 2008. Upper Saddle River, N.J: Pearson Prentice Hall, 2008.

Lua MLA (9ú heag.)

Bethune, James D. Engineering Graphics with AutoCAD 2008. Pearson Prentice Hall, 2008.

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