Pollard, J. G. (2013). Watercolor unleashed: New directions for traditional painting techniques (First edition.). North Light Books, an imprint of F+W Media, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPollard, Julie Gilbert. Watercolor Unleashed: New Directions for Traditional Painting Techniques. First edition. Blue Ash, Ohio: North Light Books, an imprint of F+W Media, Inc, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPollard, Julie Gilbert. Watercolor Unleashed: New Directions for Traditional Painting Techniques. First edition. North Light Books, an imprint of F+W Media, Inc, 2013.
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