Summers, D. (1992). Longman dictionary of English language and culture. Longman.
Lua i Stíl Chicago (17ú heag.)Summers, Della. Longman Dictionary of English Language and Culture. Harlow, Essex, England: Longman, 1992.
Lua MLA (8ú heag.)Summers, Della. Longman Dictionary of English Language and Culture. Longman, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.