Raymond Murphy. (1998). Essential grammar in use: A self-study reference and practice book for elementary students of English : with answers. Cambridge, U.K. ; New York, NY, USA: Cambridge University Press.
استشهاد بنمط شيكاغوRaymond Murphy. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English : With Answers. Cambridge, U.K. ; New York, NY, USA: Cambridge University Press, 1998.
MLA استشهادRaymond Murphy. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English : With Answers. Cambridge, U.K. ; New York, NY, USA: Cambridge University Press, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.