Eastwood, J. (2006). Oxford practice grammar intermediate with answers. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Eastwood, John. Oxford Practice Grammar Intermediate with Answers. Inglaterra: Oxford University Press, 2006.
Lua MLA (9ú heag.)Eastwood, John. Oxford Practice Grammar Intermediate with Answers. Oxford University Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.