DR. RADHAKRISHNAN P. (1992). COMPUTER NUMERICAL CONTROL MACHINES. NEW CENTRAL BOOK AGENCY.
Chicago Style aipamenaDR. RADHAKRISHNAN P. COMPUTER NUMERICAL CONTROL MACHINES. CALCUTTA: NEW CENTRAL BOOK AGENCY, 1992.
MLA aipamenaDR. RADHAKRISHNAN P. COMPUTER NUMERICAL CONTROL MACHINES. NEW CENTRAL BOOK AGENCY, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.