Waddell, R. C. (1951). Grammar and style. Sloane.
Lua i Stíl Chicago (17ú heag.)Waddell, Robert Cary. Grammar and Style. New York: Sloane, 1951.
Lua MLA (9ú heag.)Waddell, Robert Cary. Grammar and Style. Sloane, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.