Bittle L.R. (1990). What Every Superisor Should Know. TMH.
Lua i Stíl Chicago (17ú heag.)Bittle L.R. What Every Superisor Should Know. New Delhi: TMH, 1990.
Lua MLA (9ú heag.)Bittle L.R. What Every Superisor Should Know. TMH, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.