APA (7th ed.) Citation

Elston, T. (2003). Microsoft office powerpoint 2003: Level 2. Element K.

Chicago Style (17th ed.) Citation

Elston, Tom. Microsoft Office Powerpoint 2003: Level 2. Portland: Element K, 2003.

MLA (9th ed.) Citation

Elston, Tom. Microsoft Office Powerpoint 2003: Level 2. Element K, 2003.