Norwood, J. E. (1939). Concerning words: A manual and workbook. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Norwood, Joseph Edwards. Concerning Words: A Manual and Workbook. New York: Prentice-Hall, 1939.
Lua MLA (9ú heag.)Norwood, Joseph Edwards. Concerning Words: A Manual and Workbook. Prentice-Hall, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.