↑Francis, Frank C.; Haider, Salman; Foskett, Douglas John; etal. (12 May 2017). "Library". Encyclopædia Britannica. Encyclopædia Britannica, inc. Retrieved 25 September 2019.
↑Yochelson, Abby (1993). "National Bibliographies". In Robert Wedgeworth (ed.). World Encyclopedia of Libraries and Information Services (3rded.). Chicago: American Library Association. p.600. ISBN978-0-8389-0609-5.
↑Bell, Barbara L. (2013). "Yemen". An Annotated Guide to Current National Bibliographies. The Hague: IFLA. p.408. ISBN978-3-11-095457-9.
Further reading
Bourne, Ross (1993). "National Bibliographies – Do They Have a Future?". Alexandria: The Journal of National and International Library and Information Issues. 5 (2): 99–110. doi:10.1177/095574909300500202. ISSN0955-7490. S2CID114514722.
Gorman, G. E.; Mills, J. J. (1987). Guide to Current National Bibliographies in the Third World (2nd rev.ed.). London: Hans Zell Publishers. ISBN978-0905450346.
Krummel, D. W. (1989). "Guides to National Bibliographies: A Review Essay". Libraries & Culture. 24 (2): 217–230. ISSN0894-8631. JSTOR25542141.
UNESCO.Conference on the improvement of bibliographical services: general report, UNESCO, Paris, 1950.
UNESCO. International Congress on National Bibliographies: final report, UNESCO, Paris, 1978
Žumer, Maja, ed. (2009). National Bibliographies in the Digital Age: Guidance and New Directions. Munich: K. G. Saur. ISBN978-3-598-24287-8.