Cita APA

Swan, M., & I. Walter, C. The cambridge english course / Michael Swan and Catherine Walter. Cambridge ; Cambridge University Press.

Citación estilo Chicago

Swan, Michael, y Catherine I. Walter. The Cambridge English Course / Michael Swan and Catherine Walter. Cambridge ; Cambridge University Press.

Cita MLA

Swan, Michael, y Catherine I. Walter. The Cambridge English Course / Michael Swan and Catherine Walter. Cambridge ; Cambridge University Press.