Cita APA

 Trappe, T. (2005).  Intelligent Business: Coursebook. Intermediate Business English.  Pearson Education Limited.

Chicago Style Citation

 Trappe, Tonya.  Intelligent Business: Coursebook. Intermediate Business English.  Pearson Education Limited, 2005.

Cita MLA

 Trappe, Tonya.  Intelligent Business: Coursebook. Intermediate Business English.  Pearson Education Limited, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.