APA aipamena

Swan, M., & Walter, C. (1991). C: The New Cambridge English Course. Cambridge: Cambridge University.

Chicago Style aipamena

Swan, Michael, và Catherine Walter. C: The New Cambridge English Course. Cambridge: Cambridge University, 1991.

MLA aipamena

Swan, Michael, và Catherine Walter. C: The New Cambridge English Course. Cambridge: Cambridge University, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.