Sledd, J. (1959). A short introduction to english grammar. Scott, Foresman.
Lua i Stíl Chicago (17ú heag.)Sledd, James. A Short Introduction to English Grammar. Chicago, Estados Unidos: Scott, Foresman, 1959.
Lua MLA (9ú heag.)Sledd, James. A Short Introduction to English Grammar. Scott, Foresman, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.