University of Cambridge, Smith, B., & Swan, N. (1998). Learner english: A teacher's quide to interference and other problems. Cambridge University.
Chicago Style (17th ed.) CitationUniversity of Cambridge, B. Smith, and N. Swan. Learner English: A Teacher's Quide to Interference and Other Problems. New York: Cambridge University, 1998.
MLA (8th ed.) CitationUniversity of Cambridge, et al. Learner English: A Teacher's Quide to Interference and Other Problems. Cambridge University, 1998.
Warning: These citations may not always be 100% accurate.