(1996). Library standards. Anmol.
Chicago Style (17th ed.) ZitazioaLibrary Standards. New Delhi: Anmol, 1996.
MLA (9th ed.) ZitazioaLibrary Standards. Anmol, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1996). Library standards. Anmol.
Chicago Style (17th ed.) ZitazioaLibrary Standards. New Delhi: Anmol, 1996.
MLA (9th ed.) ZitazioaLibrary Standards. Anmol, 1996.