Lua APA (7ú heag.)
Nagpal, G. (1999). Machine tool engineering. Khanna publications.
Lua i Stíl Chicago (17ú heag.)
Nagpal, G.R. Machine Tool Engineering. New Delhi: Khanna publications, 1999.
Lua MLA (9ú heag.)
Nagpal, G.R. Machine Tool Engineering. Khanna publications, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.