APA aipamena

Richards, J. C. (2009). Interchange: Third Edition. Cambridge University Press.

Chicago Style aipamena

Richards, Jack C. Interchange: Third Edition. Cambridge University Press, 2009.

MLA aipamena

Richards, Jack C. Interchange: Third Edition. Cambridge University Press, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.