Eastwood, J. (2000). Oxford practice grammar: With answers (2nd ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Eastwood, John. Oxford Practice Grammar: With Answers. 2nd ed. Oxford: Oxford University Press, 2000.
Lua MLA (8ú heag.)Eastwood, John. Oxford Practice Grammar: With Answers. 2nd ed. Oxford University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.