Venugopal, K. (2004). Engineering drawing and graphics (5th ed.). New Age.
Chicago Edition CitationVenugopal, K. Engineering Drawing and Graphics. 5th ed. New Delhi: New Age, 2004.
Cita MLAVenugopal, K. Engineering Drawing and Graphics. 5th ed. New Age, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.