WILLIAMS, J. (1985). The Essential Oboist: A Concise Approach to Daily Practice. Cinque Port Music.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWILLIAMS, John. The Essential Oboist: A Concise Approach to Daily Practice. Cinque Port Music, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWILLIAMS, John. The Essential Oboist: A Concise Approach to Daily Practice. Cinque Port Music, 1985.
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