Venugopal, K. &. P. R. V. (2022). Engineering Drawing + AutoCAD (06th.). New Age International.
Lua i Stíl Chicago (17ú heag.)Venugopal, K & Prabhu Raja V. Engineering Drawing + AutoCAD. 06th. New Delhi: New Age International, 2022.
Lua MLA (9ú heag.)Venugopal, K & Prabhu Raja V. Engineering Drawing + AutoCAD. 06th. New Age International, 2022.
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