Ivantcho, B. (1983). Position descriptions in special libraries: A collection of examples. Special Libraries Association.
Lua i Stíl Chicago (17ú heag.)Ivantcho, Barbara. Position Descriptions in Special Libraries: A Collection of Examples. New York: Special Libraries Association, 1983.
Lua MLA (9ú heag.)Ivantcho, Barbara. Position Descriptions in Special Libraries: A Collection of Examples. Special Libraries Association, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.