Ivantcho, B. (1983). Position descriptions in special libraries: A collection of examples. Special Libraries Association.
Chicago-referens (17:e uppl.)Ivantcho, Barbara. Position Descriptions in Special Libraries: A Collection of Examples. New York: Special Libraries Association, 1983.
MLA-referens (9:e uppl.)Ivantcho, Barbara. Position Descriptions in Special Libraries: A Collection of Examples. Special Libraries Association, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.