MURPHY, R. (1985). English Grammar In Use. University Press.
Lua i Stíl Chicago (17ú heag.)MURPHY, Raymond. English Grammar In Use. University Press, 1985.
Lua MLA (8ú heag.)MURPHY, Raymond. English Grammar In Use. University Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.