International Federation of Library Associations and Institutions. (2005). Guidelines for online public access catalogue (OPAC) displays: Final report May 2005. Saur.
Cita Chicago (17th ed.)International Federation of Library Associations and Institutions. Guidelines for Online Public Access Catalogue (OPAC) Displays: Final Report May 2005. Muchen: Saur, 2005.
Cita MLA (9th ed.)International Federation of Library Associations and Institutions. Guidelines for Online Public Access Catalogue (OPAC) Displays: Final Report May 2005. Saur, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.