MM. (1990). The Concise Oxford. Oxford University.
Lua i Stíl Chicago (17ú heag.)MM. The Concise Oxford. Oxford University, 1990.
Lua MLA (8ú heag.)MM. The Concise Oxford. Oxford University, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.