Swan, M., & Walter, C. (2011). Oxford English grammar course. Advanced: A grammar practice book for advanced students of English : with answers. Oxford University Press.
Chicago Style (17th ed.) CitationSwan, Michael, and Catherine Walter. Oxford English Grammar Course. Advanced: A Grammar Practice Book for Advanced Students of English : With Answers. Oxford: Oxford University Press, 2011.
MLA (9th ed.) CitationSwan, Michael, and Catherine Walter. Oxford English Grammar Course. Advanced: A Grammar Practice Book for Advanced Students of English : With Answers. Oxford University Press, 2011.
Warning: These citations may not always be 100% accurate.