APA-referens (7:e uppl.)

Johnson, K. E. (1995). Understanding communication in second language classrooms. Cambridge University Press.

Chicago-referens (17:e uppl.)

Johnson, Karen E. Understanding Communication in Second Language Classrooms. Cambridge: Cambridge University Press, 1995.

MLA-referens (9:e uppl.)

Johnson, Karen E. Understanding Communication in Second Language Classrooms. Cambridge University Press, 1995.