Brech, E. (1968). Management glossary. Longmans.
Lua i Stíl Chicago (17ú heag.)Brech, E. Management Glossary. London: Longmans, 1968.
Lua MLA (9ú heag.)Brech, E. Management Glossary. Longmans, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.