Murphy,Raymond. English grammar in use: A self-study reference and practice book for intermediate students of English (4th.). Cambridge.
芝加哥风格引文Murphy,Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English. 4th. 2016: Cambridge.
MLA引文Murphy,Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English. 4th. Cambridge.
警告：这些引文格式不一定是100％准确.