APA-viite (7. p.)

Swan, M., & Smith, B. (2001). Learner English: A teacher's guide to interference and other problems (2nd ed.). Cambridge University Press.

Chicago-viite (17. p.)

Swan, Michael, ja Bernard Smith. Learner English: A Teacher's Guide to Interference and Other Problems. 2nd ed. Cambridge ; New York: Cambridge University Press, 2001.

MLA-viite (8. p.)

Swan, Michael, ja Bernard Smith. Learner English: A Teacher's Guide to Interference and Other Problems. 2nd ed. Cambridge University Press, 2001.