APA aipamena

 Richards, J. C. (2011).  Developing tactics for listening.  Oxford University Press.

Chicago Style aipamena

 Richards, Jack C.  Developing Tactics for Listening.  Oxford University Press, 2011.

MLA aipamena

 Richards, Jack C.  Developing Tactics for Listening.  Oxford University Press, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.