Παραπομπή APA

Kogent solutions. (2009). Powerpoint 2007 in simple steps. Dreamtech.

Παραπομπή Chicago Style

Kogent solutions. Powerpoint 2007 in Simple Steps. New Delhi: Dreamtech, 2009.

Παραπομπή MLA

Kogent solutions. Powerpoint 2007 in Simple Steps. Dreamtech, 2009.