Hammel, M. J. (2012). The artist's guide to GIMP: Creative techniques for photographers, artists, and designers (2nd ed.). No Starch Press.
Citace podle Chicago (17th ed.)Hammel, Michael J. The Artist's Guide to GIMP: Creative Techniques for Photographers, Artists, and Designers. 2nd ed. San Francisco: No Starch Press, 2012.
Citace podle MLA (9th ed.)Hammel, Michael J. The Artist's Guide to GIMP: Creative Techniques for Photographers, Artists, and Designers. 2nd ed. No Starch Press, 2012.
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