Terry Freedman. (1987). The Pocket Guide to English words. Richard & Drew Publishing ltd.
Lua i Stíl Chicago (17ú heag.)Terry Freedman. The Pocket Guide to English Words. Glasgon: Richard & Drew Publishing ltd, 1987.
Lua MLA (9ú heag.)Terry Freedman. The Pocket Guide to English Words. Richard & Drew Publishing ltd, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.