Sehgal, R. (1998). User education in computer based libraries. Ess Ess.
Chicago Style aipamenaSehgal, R.L. User Education in Computer Based Libraries. New Delhi: Ess Ess, 1998.
MLA aipamenaSehgal, R.L. User Education in Computer Based Libraries. Ess Ess, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.