Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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