APA Citation

Smith, M. S. a. B. Learner english a teacher-s guide to interference and other problems. Cambridge University Press.

Chicago Style Citation

Smith, Michael Swan and Bernard. Learner English a Teacher-s Guide to Interference and Other Problems. Cambridge University Press.

MLA Citation

Smith, Michael Swan and Bernard. Learner English a Teacher-s Guide to Interference and Other Problems. Cambridge University Press.

Warning: These citations may not always be 100% accurate.