Institution, 8. B. S. Metre rules and rulers for school use.
Lua i Stíl Chicago (17ú heag.)Institution, 8096 British Standards. Metre Rules and Rulers for School Use.
Lua MLA (9ú heag.)Institution, 8096 British Standards. Metre Rules and Rulers for School Use.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.