European Commission. (1998). Telematics for Libraries. Office for Official Publications of the European Communities.
Chicago-Zitierstil (17. Ausg.)European Commission. Telematics for Libraries. Luxembourg: Office for Official Publications of the European Communities, 1998.
MLA-Zitierstil (8. Ausg.)European Commission. Telematics for Libraries. Office for Official Publications of the European Communities, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.