Gowers, E. S., & Fraser, B. S. (1984). The Complete plain words. Penguin.
Lua i Stíl Chicago (17ú heag.)Gowers, Ernest Sir, agus Bruce Sir Fraser. The Complete Plain Words. Harmondsworth: Penguin, 1984.
Lua MLA (9ú heag.)Gowers, Ernest Sir, agus Bruce Sir Fraser. The Complete Plain Words. Penguin, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.