APA引文

Murphy, R. (2012). essential grammar in use: Aself-study reference and practice book for elementary students of English with answers. Cambridge University Press.

Chicago Style (17th ed.) Citation

Murphy, Raymond. Essential Grammar in Use: Aself-study Reference and Practice Book for Elementary Students of English with Answers. Cambridge University Press, 2012.

MLA引文

Murphy, Raymond. Essential Grammar in Use: Aself-study Reference and Practice Book for Elementary Students of English with Answers. Cambridge University Press, 2012.