APA aipamena

Littlejohn, A. (2001). Cambridge english worldwide. Cambridge: Cambridge University Press.

Chicago Style aipamena

Littlejohn, Andrew. Cambridge English Worldwide. Cambridge: Cambridge University Press, 2001.

MLA aipamena

Littlejohn, Andrew. Cambridge English Worldwide. Cambridge: Cambridge University Press, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.