APA aipamena

Richards, J. C., & Jack C. Richards; Chuck Sandy. (2008). Passages. Cambridge: Cambridge University Press.

Chicago Style aipamena

Richards, Jack C., và Jack C. Richards; Chuck Sandy. Passages. Cambridge: Cambridge University Press, 2008.

MLA aipamena

Richards, Jack C., và Jack C. Richards; Chuck Sandy. Passages. Cambridge: Cambridge University Press, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.