Lua APA (7ú heag.)
Hudson, R. A. (1998). English grammar. Routledge.
Lua i Stíl Chicago (17ú heag.)
Hudson, Richard A. English Grammar. London ; New York: Routledge, 1998.
Lua MLA (9ú heag.)
Hudson, Richard A. English Grammar. Routledge, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.