Guenther, R. (1982). First of practical studies for flute. Belwin Mills.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGuenther, Ralph. First of Practical Studies for Flute. New York: Belwin Mills, 1982.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGuenther, Ralph. First of Practical Studies for Flute. Belwin Mills, 1982.
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