Allen , W. (1954). Living english speech. Longmans Green.
Lua i Stíl Chicago (17ú heag.)Allen , W. Living English Speech. London: Longmans Green, 1954.
Lua MLA (9ú heag.)Allen , W. Living English Speech. Longmans Green, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.