APA

Gude K., Stephens M., . (2008). CAE Result. New York: Oxford University Press.

Chicago

Gude K, Stephens M, . 2008. CAE Result. New York: Oxford University Press.

Harvard

Gude K., Stephens M., . (2008). CAE Result. New York: Oxford University Press.

MLA

Gude K, Stephens M, . CAE Result. New York: Oxford University Press. 2008.