APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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