Cita APA

 Rogers, J. (2011).  Market leader: Upper intermediate business english practice file B2-C1.  Pearson.

Chicago Style Citation

 Rogers, Jonh.  Market Leader: Upper Intermediate Business English Practice File B2-C1.  Pearson, 2011.

Cita MLA

 Rogers, Jonh.  Market Leader: Upper Intermediate Business English Practice File B2-C1.  Pearson, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.