Cita APA

 Duening, T. N. (2005).  Essentials of business process outsourcing.  John Wiley & Sons.

Chicago Style Citation

 Duening, Thomas N.  Essentials of Business Process Outsourcing.  John Wiley & Sons, 2005.

Cita MLA

 Duening, Thomas N.  Essentials of Business Process Outsourcing.  John Wiley & Sons, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.