Lakshminarayanan, V. . .., & Mathur, M. L. (1989). Text book of machine drawing (7.). Jain Brothers.
Chicago Style aipamenaLakshminarayanan, V ., and M L. Mathur. Text Book of Machine Drawing. 7. New Delhi: Jain Brothers, 1989.
MLA aipamenaLakshminarayanan, V ., and M L. Mathur. Text Book of Machine Drawing. 7. Jain Brothers, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.