APA

Redston C., Cunningham G., . (2008). Face2face. Elementary. Cambridge: Cambridge University Press.

Chicago

Redston C, Cunningham G, . 2008. Face2face. Elementary. Cambridge: Cambridge University Press.

Harvard

Redston C., Cunningham G., . (2008). Face2face. Elementary. Cambridge: Cambridge University Press.

MLA

Redston C, Cunningham G, . Face2face. Elementary. Cambridge: Cambridge University Press. 2008.