Krishan Kumar. (1991). Library manual (4th ed.). Vikas Publishing House.
Chicago Style aipamenaKrishan Kumar. Library Manual. 4th ed. New Delhi: Vikas Publishing House, 1991.
MLA aipamenaKrishan Kumar. Library Manual. 4th ed. Vikas Publishing House, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.