Lakshmi Chand & Ved Prakash Saxena. (1991). Indian institute of technology.
Chicago Style aipamenaLakshmi Chand and Ved Prakash Saxena. Indian Institute of Technology. New Delhi, Young man, 1991.
MLA aipamenaLakshmi Chand and Ved Prakash Saxena. Indian Institute of Technology. 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.