Cita APA

Swan, M., & Walter, C. (1985). The Cambridge English Course. Cambridge: Cambridge University.

Chicago Style Citation

Swan, Michael, i Catherine Walter. The Cambridge English Course. Cambridge: Cambridge University, 1985.

Cita MLA

Swan, Michael, i Catherine Walter. The Cambridge English Course. Cambridge: Cambridge University, 1985.

Atenció: Aquestes cites poden no estar 100% correctes.