Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.