Hopper, R. (2004). Beginning to throw on the potter's wheel. PotteryVideos.com.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHopper, Robin. Beginning to Throw on the Potter's Wheel. [Gabriola, B.C.?]: PotteryVideos.com, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHopper, Robin. Beginning to Throw on the Potter's Wheel. PotteryVideos.com, 2004.
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