Murphy, R. (2019). English grammar in use: A self-study reference and practice book for intermediate students : with answers (5th.). Cambridge University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Murphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students : With Answers. 5th. India: Cambridge University Press, 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Murphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students : With Answers. 5th. Cambridge University Press, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.