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