Rubin Wolf, R. (1996). Basic people painting techniques in watercolor. North Light Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRubin Wolf, Rachel. Basic People Painting Techniques in Watercolor. Cincinnati, Ohio: North Light Books, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRubin Wolf, Rachel. Basic People Painting Techniques in Watercolor. North Light Books, 1996.
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