Cowell, H., & Cowell, S. R. (1955). Charles Ives and his music. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowell, Henry, और Sidney Robertson Cowell. Charles Ives and His Music. New York: Oxford University Press, 1955.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCowell, Henry, और Sidney Robertson Cowell. Charles Ives and His Music. Oxford University Press, 1955.
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