Gulland, D. M. H. (2002). The penguin dictionary of English idoms. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Gulland, Daphne M.& Hinds-Howell. The Penguin Dictionary of English Idoms. London: Penguin Books, 2002.
Lua MLA (9ú heag.)Gulland, Daphne M.& Hinds-Howell. The Penguin Dictionary of English Idoms. Penguin Books, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.