Cita APA

Johnson, K. 1., & Morrow, K. (1979). Approaches: A language activation course for intermediate students. Cambridge: Cambridge University Press.

Citación estilo Chicago

Johnson, Keith 1944-, y Keith Morrow. Approaches: A Language Activation Course for Intermediate Students. Cambridge: Cambridge University Press, 1979.

Cita MLA

Johnson, Keith 1944-, y Keith Morrow. Approaches: A Language Activation Course for Intermediate Students. Cambridge: Cambridge University Press, 1979.