Murphy, R. (2004). English grammar in use: A self-study reference and practice book for intermediate students of English with answers (3rd ed.). New York: Cambridge University Press.

Murphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English With Answers. 3rd ed. New York: Cambridge University Press, 2004.

Murphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English With Answers. 3rd ed. New York: Cambridge University Press, 2004.