Correll, R. (2011). Photo restoration and retouching using Corel Paintshop Photo Pro: Learn how to rescue old photos and improve your digital pictures! (2nd ed.). Cengage Learning.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Correll, Robert. Photo Restoration and Retouching Using Corel Paintshop Photo Pro: Learn How to Rescue Old Photos and Improve Your Digital Pictures! 2nd ed. Boston, Mass.: Cengage Learning, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)Correll, Robert. Photo Restoration and Retouching Using Corel Paintshop Photo Pro: Learn How to Rescue Old Photos and Improve Your Digital Pictures! 2nd ed. Cengage Learning, 2011.
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