Cita APA (7th ed.)
Nagpal, G. (1999). Machine tool engineering (8th ed.). Khanna.
Cita Chicago (17th ed.)
Nagpal, G.R. Machine Tool Engineering. 8th ed. New Delhi: Khanna, 1999.
Cita MLA (9th ed.)
Nagpal, G.R. Machine Tool Engineering. 8th ed. Khanna, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.