Hall. (1971). Elementory pringnomentry. Macmillan.
Lua i Stíl Chicago (17ú heag.)Hall. Elementory Pringnomentry. London: Macmillan, 1971.
Lua MLA (9ú heag.)Hall. Elementory Pringnomentry. Macmillan, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.