Swan, M., & Catherine Walter. (1997). How English Works: A Grammar Practice Book With Answers. Oxford: Oxford Univ..
Chicago Style CitationSwan, Michael, and Catherine Walter. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford Univ., 1997.
MLA CitationSwan, Michael, and Catherine Walter. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford Univ., 1997.
Warning: These citations may not always be 100% accurate.