Cita APA (7th ed.)
Narayana,K.L, & Kannaiah,P./Reddy,K.Venkata. (2012). Machine drawing (4th ed.). New Age.
Cita Chicago (17th ed.)
Narayana,K.L, i Kannaiah,P./Reddy,K.Venkata. Machine Drawing. 4th ed. Kolkata: New Age, 2012.
Cita MLA (9th ed.)
Narayana,K.L, i Kannaiah,P./Reddy,K.Venkata. Machine Drawing. 4th ed. New Age, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.