Murphy, R. Basic Grammar in use. Reference and practice for students of English (5a ed.).
Lua i Stíl Chicago (17ú heag.)Murphy, Raymond. Basic Grammar in Use. Reference and Practice for Students of English. 5a ed.
Lua MLA (8ú heag.)Murphy, Raymond. Basic Grammar in Use. Reference and Practice for Students of English. 5a ed.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.