Mc Arthur, T. (1981). Longman Lexicon of contemporary English. Longman.
Lua i Stíl Chicago (17ú heag.)Mc Arthur, Tom. Longman Lexicon of Contemporary English. NULL: Longman, 1981.
Lua MLA (9ú heag.)Mc Arthur, Tom. Longman Lexicon of Contemporary English. Longman, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.