Dixson, R. J. (1987). Complete course in English (Rev. ed.). Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)Dixson, Robert James. Complete Course in English. Rev. ed. New Delhi: Prentice-Hall of India, 1987.
Lua MLA (8ú heag.)Dixson, Robert James. Complete Course in English. Rev. ed. Prentice-Hall of India, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.