Curtis, S. (1990). Increase your word power. Hamlyn.
Lua i Stíl Chicago (17ú heag.)Curtis, Stephen. Increase Your Word Power. London: Hamlyn, 1990.
Lua MLA (9ú heag.)Curtis, Stephen. Increase Your Word Power. Hamlyn, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.