Swan, M., & Walter, C. 1. (2011). Oxford English grammar course: A grammar practice book for intermediate and upper-intermediate students of English : with answers. Oxford: Oxford University Press.
Chicago Style CitationSwan, Michael,, and Catherine,( 1946-) Walter. Oxford English Grammar Course: A Grammar Practice Book for Intermediate and Upper-intermediate Students of English : With Answers. Oxford: Oxford University Press, 2011.
MLA CitationSwan, Michael,, and Catherine,( 1946-) Walter. Oxford English Grammar Course: A Grammar Practice Book for Intermediate and Upper-intermediate Students of English : With Answers. Oxford: Oxford University Press, 2011.
Warning: These citations may not always be 100% accurate.