Swan, M., & Walter, C. (2001). The good grammar book: A grammar practice book for elementary to lower-intermediate students of English : with answers. Oxford University Press.
Chicago Style (17th ed.) CitationSwan, Michael, and Catherine Walter. The Good Grammar Book: A Grammar Practice Book for Elementary to Lower-intermediate Students of English : With Answers. Oxford: Oxford University Press, 2001.
MLA (9th ed.) CitationSwan, Michael, and Catherine Walter. The Good Grammar Book: A Grammar Practice Book for Elementary to Lower-intermediate Students of English : With Answers. Oxford University Press, 2001.
Warning: These citations may not always be 100% accurate.