Murphy, R. (1990). English grammar in use: A self-study reference and practice book for intermediate students. With answers. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoMurphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students. With Answers. Cambridge: Cambridge University Press, 1990.
MLA引文Murphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students. With Answers. Cambridge: Cambridge University Press, 1990.
警告：这些引文格式不一定是100％准确.