Clutterbuck Peter. (2007). Good grammar. Scholastic.
Lua i Stíl Chicago (17ú heag.)Clutterbuck Peter. Good Grammar. New York: Scholastic, 2007.
Lua MLA (9ú heag.)Clutterbuck Peter. Good Grammar. Scholastic, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.