Sehgal, R. L. (1998). Information technology for librarians.
Chicago Style aipamenaSehgal, R L. Information Technology for Librarians. New Delhi, Ess Ess Publications, 1998.
MLA aipamenaSehgal, R L. Information Technology for Librarians. 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.