APA-čujuhus (7. p.)
Koers, D. (2011). Picture yourself learning Corel PaintShop Photo Pro X3. Course Technology PTR.
Chicago-čujuhus (17. p.)
Koers, Diane. Picture Yourself Learning Corel PaintShop Photo Pro X3. Boston, Mass.: Course Technology PTR, 2011.
MLA-čujuhus (9. p.)
Koers, Diane. Picture Yourself Learning Corel PaintShop Photo Pro X3. Course Technology PTR, 2011.
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