Cita APA

Swan, M., & Walter, C. (1987). The Cambridge English Course: Teacher's Book. Cambridge: Cambridge University.

Citación estilo Chicago

Swan, Michael, y Catherine Walter. The Cambridge English Course: Teacher's Book. Cambridge: Cambridge University, 1987.

Cita MLA

Swan, Michael, y Catherine Walter. The Cambridge English Course: Teacher's Book. Cambridge: Cambridge University, 1987.