Murphy, R. (2012). essential grammar in use: Aself-study reference and practice book for elementary students of English with answers. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Murphy, Raymond. Essential Grammar in Use: Aself-study Reference and Practice Book for Elementary Students of English with Answers. Cambridge University Press, 2012.
Lua MLA (8ú heag.)Murphy, Raymond. Essential Grammar in Use: Aself-study Reference and Practice Book for Elementary Students of English with Answers. Cambridge University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.