McBurney, J. H., & Wrage, E. J. (1975). Guide to good speech (4th ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)McBurney, James Howard, agus Ernest J. Wrage. Guide to Good Speech. 4th ed. Englewood Cliffs, N.J: Prentice-Hall, 1975.
Lua MLA (9ú heag.)McBurney, James Howard, agus Ernest J. Wrage. Guide to Good Speech. 4th ed. Prentice-Hall, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.