Rath, G. (2005). The watercolorist's answer book: 425 tips, techniques and solutions. North Light Books.
Chicago-viite (17. p.)Rath, Gina. The Watercolorist's Answer Book: 425 Tips, Techniques and Solutions. Cincinnati, Ohio: North Light Books, 2005.
MLA-viite (8. p.)Rath, Gina. The Watercolorist's Answer Book: 425 Tips, Techniques and Solutions. North Light Books, 2005.
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