Cita APA

Worden, C. J. (2003). Microsoft office powerpoint 2003: Level 1. Element K.

Citación estilo Chicago

Worden, Christopher J. Microsoft Office Powerpoint 2003: Level 1. Portland: Element K, 2003.

Cita MLA

Worden, Christopher J. Microsoft Office Powerpoint 2003: Level 1. Element K, 2003.