Khurmi. R.S. (1989). Strenght of Materials. S.Chand.
Chicago Style aipamenaKhurmi. R.S. Strenght of Materials. New Delhi: S.Chand, 1989.
MLA aipamenaKhurmi. R.S. Strenght of Materials. S.Chand, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.