Murphy, r. (1998). English grammar in use: A reference and practice book intermediate students. Cambridge University Press.
芝加哥风格引文Murphy, raymond. English Grammar in Use: A Reference and Practice Book Intermediate Students. Cambridge University Press, 1998.
MLA引文Murphy, raymond. English Grammar in Use: A Reference and Practice Book Intermediate Students. Cambridge University Press, 1998.
警告：这些引文格式不一定是100％准确.