Paricio, J. Perspective Sketching: Freehand y gigital drawing techniques for artists y designers.
Čikaški stil citiranja (17. izdanje)Paricio, Jorge. Perspective Sketching: Freehand Y Gigital Drawing Techniques for Artists Y Designers.
MLA način citiranja (8. izdanje)Paricio, Jorge. Perspective Sketching: Freehand Y Gigital Drawing Techniques for Artists Y Designers.
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