APA

Shields C., Richards J., . (2001). New interchange 2. Cambridge: Cambridge University Press.

Chicago

Shields C, Richards J, . 2001. New interchange 2. Cambridge: Cambridge University Press.

Harvard

Shields C., Richards J., . (2001). New interchange 2. Cambridge: Cambridge University Press.

MLA

Shields C, Richards J, . New interchange 2. Cambridge: Cambridge University Press. 2001.