APA استشهاد

Sen, G. C. (2006). Principles of machine tools. New central book agency.

استشهاد بنمط شيكاغو

Sen, G C. Principles of Machine Tools. Kolkata: New central book agency, 2006.

MLA استشهاد

Sen, G C. Principles of Machine Tools. New central book agency, 2006.