Poulin, R. (2011). The language of graphic design: An illustrated handbook for understanding fundamental design principles. Rockport Publishers.
Chicago-viite (17. p.)Poulin, Richard. The Language of Graphic Design: An Illustrated Handbook for Understanding Fundamental Design Principles. Beverly, Mass.: Rockport Publishers, 2011.
MLA-viite (9. p.)Poulin, Richard. The Language of Graphic Design: An Illustrated Handbook for Understanding Fundamental Design Principles. Rockport Publishers, 2011.
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