Keller, H. (1976). The well-tempered clavier by Johann Sebastian Bach (1st American ed.). W. W. Norton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeller, Hermann. The Well-tempered Clavier by Johann Sebastian Bach. 1st American ed. New York: W. W. Norton, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKeller, Hermann. The Well-tempered Clavier by Johann Sebastian Bach. 1st American ed. W. W. Norton, 1976.
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