Withers, F. N. (1970). Standards for library service. United Nations Educational, Scientific and Cultural Organization.
Chicago-referens (17:e uppl.)Withers, F. N. Standards for Library Service. Paris: United Nations Educational, Scientific and Cultural Organization, 1970.
MLA-referens (8:e uppl.)Withers, F. N. Standards for Library Service. United Nations Educational, Scientific and Cultural Organization, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.