Lua APA (7ú heag.)

Swan, M. Practical english usage (Third edition.). New York.

Lua i Stíl Chicago (17ú heag.)

Swan, Michael. Practical English Usage. Third edition. Oxford: New York.

Lua MLA (9ú heag.)

Swan, Michael. Practical English Usage. Third edition. New York.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.