Foster, W. T., Powell, W. F., Yaun, D. K., & Cardaci, D. (2019). The art of drawing people. Walter Foster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFoster, Walter T., William F. Powell, Debra K. Yaun, और Diane Cardaci. The Art of Drawing People. Mission Viejo, CA: Walter Foster, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFoster, Walter T., et al. The Art of Drawing People. Walter Foster, 2019.
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