Close, R. A. (1962). English as a foreign language: Grammar and syntax for teachers and advanced students. Allen & Unwin.
Lua i Stíl Chicago (17ú heag.)Close, R. A. English as a Foreign Language: Grammar and Syntax for Teachers and Advanced Students. London: Allen & Unwin, 1962.
Lua MLA (9ú heag.)Close, R. A. English as a Foreign Language: Grammar and Syntax for Teachers and Advanced Students. Allen & Unwin, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.