Walker, M. (1992). Addison - Wesley A ESL. Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Walker, Michael. Addison - Wesley A ESL. New York: Addison-Wesley, 1992.
Lua MLA (9ú heag.)Walker, Michael. Addison - Wesley A ESL. Addison-Wesley, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.