Abbs, B. (1990). Blueprint one. Longman.
Lua i Stíl Chicago (17ú heag.)Abbs, Brian. Blueprint One. England: Longman, 1990.
Lua MLA (9ú heag.)Abbs, Brian. Blueprint One. Longman, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.