Murphy, R. (1990). English grammar in use: A self-study reference and practice book for intermediate students. With answers. Cambridge: Cambridge University Press.
Παραπομπή Chicago StyleMurphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students. With Answers. Cambridge: Cambridge University Press, 1990.
Παραπομπή MLAMurphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students. With Answers. Cambridge: Cambridge University Press, 1990.
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