Bennett, R. A. (1984). Follett spelling. Allyn and bacon.
Lua i Stíl Chicago (17ú heag.)Bennett, Robert A. Follett Spelling. Boston: Allyn and bacon, 1984.
Lua MLA (9ú heag.)Bennett, Robert A. Follett Spelling. Allyn and bacon, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.