Swan, M. (1997). How English works: A grammar practice books/Michael Swan,Catheirne Walter. Oxford University Press.
Chicago Style (17th ed.) CitationSwan, Michael. How English Works: A Grammar Practice Books/Michael Swan,Catheirne Walter. New York: Oxford University Press, 1997.
MLA (8th ed.) CitationSwan, Michael. How English Works: A Grammar Practice Books/Michael Swan,Catheirne Walter. Oxford University Press, 1997.
Warning: These citations may not always be 100% accurate.