Swan, M., & Smith, B. (2001). Learner English: A teacher's guide to interference and other problems / [edited by] Michael Swan and Bernard Smith (Second edition.). Cambridge University Press.
Chicago Style (17th ed.) CitationSwan, Michael, and Bernard Smith. Learner English: A Teacher's Guide to Interference and Other Problems / [edited by] Michael Swan and Bernard Smith. Second edition. Cambridge ; New York: Cambridge University Press, 2001.
MLA (8th ed.) CitationSwan, Michael, and Bernard Smith. Learner English: A Teacher's Guide to Interference and Other Problems / [edited by] Michael Swan and Bernard Smith. Second edition. Cambridge University Press, 2001.
Warning: These citations may not always be 100% accurate.