Warren, G. W. (1996). The art of teaching ballet: Ten twentieth-century masters. University Press of Florida.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarren, Gretchen Ward. The Art of Teaching Ballet: Ten Twentieth-century Masters. Gainesville: University Press of Florida, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWarren, Gretchen Ward. The Art of Teaching Ballet: Ten Twentieth-century Masters. University Press of Florida, 1996.
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