Citazione APA

 Wagner, W. P. (2007).  Customer reltionship management: A pepople process, and technology approach.  Course Technology.

Stile di citazione Chicago

 Wagner, William P.  Customer Reltionship Management: A Pepople Process, and Technology Approach.  Course Technology, 2007.

Citazione MLA

 Wagner, William P.  Customer Reltionship Management: A Pepople Process, and Technology Approach.  Course Technology, 2007.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.