Não informado. (1983). Office administration and automation. Geyer-McAllister Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Office Administration and Automation. New York: Geyer-McAllister Publications, 1983.
Lua MLA (8ú heag.)Não informado. Office Administration and Automation. Geyer-McAllister Publications, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.