APA

Cotton D., Flavey D. (. a. ). & Kent S. (. a. ). (2003). Pre - intermediate business English : Course book. London: Pearson education.

Chicago

Cotton David, Flavey David (A author ) and Kent Simon (A author ). 2003. Pre - intermediate business English : Course book. London: Pearson education.

Harvard

Cotton D., Flavey D. (. a. ). and Kent S. (. a. ). (2003). Pre - intermediate business English : Course book. London: Pearson education.

MLA

Cotton David, Flavey David (A author ) and Kent Simon (A author ). Pre - intermediate business English : Course book. London: Pearson education. 2003.