NARAYANA, K. L. (2002). MACHINE DRAWING. NEW AGE.
Cita Chicago (17th ed.)NARAYANA, K L. MACHINE DRAWING. AANAND: NEW AGE, 2002.
Cita MLA (9th ed.)NARAYANA, K L. MACHINE DRAWING. NEW AGE, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.