Venugopal, K. (2001). Engineering drawing and graphics+ autocad. New Age.
Chicago Stili AlıntıVenugopal, K. Engineering Drawing and Graphics+ Autocad. New Delhi: New Age, 2001.
MLA AlıntıVenugopal, K. Engineering Drawing and Graphics+ Autocad. New Age, 2001.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..