Swan, & Smith. (2001). Learner english: A teacher's guide to interference and other problems (2nd ed.). Cambridge: Cambridge University Press.
Chicago Style CitationSwan, and Smith. Learner English: A Teacher's Guide to Interference and Other Problems. 2nd ed. Cambridge: Cambridge University Press, 2001.
MLA CitationSwan, and Smith. Learner English: A Teacher's Guide to Interference and Other Problems. 2nd ed. Cambridge: Cambridge University Press, 2001.
Warning: These citations may not always be 100% accurate.