APA

Richards J. C., Hull J. & Proctor S. (2003). New interchange. Cambridge: Cambridge University Press.

Chicago

Richards Jack C, Hull Jonathan and Proctor Susan. 2003. New interchange. Cambridge: Cambridge University Press.

Harvard

Richards J. C., Hull J. and Proctor S. (2003). New interchange. Cambridge: Cambridge University Press.

MLA

Richards Jack C, Hull Jonathan and Proctor Susan. New interchange. Cambridge: Cambridge University Press. 2003.