APA (7th ed.) Zitazioa
Nagpal, G. (1999). Machine tool engineering. Khanna publications.
Chicago Style (17th ed.) Zitazioa
Nagpal, G.R. Machine Tool Engineering. New Delhi: Khanna publications, 1999.
MLA (9th ed.) Zitazioa
Nagpal, G.R. Machine Tool Engineering. Khanna publications, 1999.
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