Cita APA (7th ed.)
Wooldridge, M., & Wooldridge, L. (2009). Teach yourself visually Photoshop CS4. Wiley.
Cita Chicago (17th ed.)
Wooldridge, Mike, i Linda Wooldridge. Teach Yourself Visually Photoshop CS4. Indianapolis, IN: Wiley, 2009.
Cita MLA (9th ed.)
Wooldridge, Mike, i Linda Wooldridge. Teach Yourself Visually Photoshop CS4. Wiley, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.