Murphy, R. (2011). Essential grammar in use: A self-study reference and practice book for elementary students of English ; with answers (3. editon, 12th printing.). Camebridge Universtity Press.
Chicago-Zitierstil (17. Ausg.)Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English ; with Answers. 3. editon, 12th printing. Cambridge: Camebridge Universtity Press, 2011.
MLA-Zitierstil (9. Ausg.)Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English ; with Answers. 3. editon, 12th printing. Camebridge Universtity Press, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.