O' Brien Terry. (2011). A2Z Book Of Word Origins (NA.). Rupa.
Lua i Stíl Chicago (17ú heag.)O' Brien Terry. A2Z Book Of Word Origins. NA. New delhi: Rupa, 2011.
Lua MLA (9ú heag.)O' Brien Terry. A2Z Book Of Word Origins. NA. Rupa, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.