Cita APA

 Heldman, K. (2007).  Excel 2007 for project managers.  Wiley Pub.

Chicago Style Citation

 Heldman, Kim.  Excel 2007 for Project Managers.  Wiley Pub, 2007.

Cita MLA

 Heldman, Kim.  Excel 2007 for Project Managers.  Wiley Pub, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.