Cita APA (7a ed.)

Swan, M., & Walter, C. The Cambridge English course. 3 Student's book. Cambridge University Press.

Cita Chicago Style (17a ed.)

Swan, Michael, y Catherine Walter. The Cambridge English Course. 3 Student's Book. Cambridge: Cambridge University Press.

Cita MLA (9a ed.)

Swan, Michael, y Catherine Walter. The Cambridge English Course. 3 Student's Book. Cambridge University Press.