Cita APA

Swan, M., & Walter, C. (1984). The Cambridge English course 1: Student's book. Cambridge: Cambridge University Press.

Citación estilo Chicago

Swan, Michael, y Catherine Walter. The Cambridge English Course 1: Student's Book. Cambridge: Cambridge University Press, 1984.

Cita MLA

Swan, Michael, y Catherine Walter. The Cambridge English Course 1: Student's Book. Cambridge: Cambridge University Press, 1984.