Titman, L. G. (1990). EFFECTIVE OFFICE: A handbook of modern office management. CASSELL.
Lua i Stíl Chicago (17ú heag.)Titman, Lionel G. EFFECTIVE OFFICE: A Handbook of Modern Office Management. CASSELL, 1990.
Lua MLA (8ú heag.)Titman, Lionel G. EFFECTIVE OFFICE: A Handbook of Modern Office Management. CASSELL, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.