APA

Oxenden C., . (2008). New English File. Upper-Intermediate. New York: Oxford University Press.

Chicago

Oxenden C, . 2008. New English File. Upper-Intermediate. New York: Oxford University Press.

Harvard

Oxenden C., . (2008). New English File. Upper-Intermediate. New York: Oxford University Press.

MLA

Oxenden C, . New English File. Upper-Intermediate. New York: Oxford University Press. 2008.