Worrall, A. (1964). English idioms for foreign studens. Longmans Green.
Lua i Stíl Chicago (17ú heag.)Worrall, A. English Idioms for Foreign Studens. London: Longmans Green, 1964.
Lua MLA (9ú heag.)Worrall, A. English Idioms for Foreign Studens. Longmans Green, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.