John, K. (2002). Engineering graphics (8th ed.). Jet Publications.
Chicago Edition CitationJohn, K.C. Engineering Graphics. 8th ed. Thrissur: Jet Publications, 2002.
Cita MLAJohn, K.C. Engineering Graphics. 8th ed. Jet Publications, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.