Ellenhorn, R. D. (2022). Purple crayons: The art of drawing a life (First edition.). Harper Wave, an imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEllenhorn, Ross D. Purple Crayons: The Art of Drawing a Life. First edition. New York, NY: Harper Wave, an imprint of HarperCollins Publishers, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEllenhorn, Ross D. Purple Crayons: The Art of Drawing a Life. First edition. Harper Wave, an imprint of HarperCollins Publishers, 2022.
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