APA (7 वां संस्करण) प्रशस्ति पत्र

Venugopal, K. &. P. R. V. (2022). Engineering Drawing + AutoCAD (06th.). New Age International.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Venugopal, K & Prabhu Raja V. Engineering Drawing + AutoCAD. 06th. New Delhi: New Age International, 2022.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Venugopal, K & Prabhu Raja V. Engineering Drawing + AutoCAD. 06th. New Age International, 2022.