Hughes, A., & Trudgill, P. English accents and dialects.
Lua i Stíl Chicago (17ú heag.)Hughes, Arthur, agus Peter Trudgill. English Accents and Dialects.
Lua MLA (8ú heag.)Hughes, Arthur, agus Peter Trudgill. English Accents and Dialects.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.