Galer, M. (2012). Photoshop Elements 4.0 Maximum Performance (1st edition.). Focal Press.
Cita Chicago Style (17a ed.)Galer, Mark. Photoshop Elements 4.0 Maximum Performance. 1st edition. Focal Press, 2012.
Cita MLA (8a ed.)Galer, Mark. Photoshop Elements 4.0 Maximum Performance. 1st edition. Focal Press, 2012.
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